7BOBO-dHHHHHH-H--,"H.? - -Z,`ycH."H.xHH(FG(HH(d'@-,U*llA/HFAFG;pHH--t*-LF-Հ9v -!(}DSET@!>5C/E---y-v)y-vy-v y-v y-vy-vy-vy-v;y-vy-v"y-v%y-v)y-v,y-v/y-v37y-v60y-v9y-v;y-H-v?y-X-vC*y23M,-.rstJKL !"#$%&'();<=   %&'PQ{|}~ST3456PQR{| A B C D E F G H   X Y O P j k l     Z [ \ ] =>?()*+EFGpq6789:;<=vw012[\!"#$%&'(012567`a&'()*+,-$Hl#$ST ]^_3456789:; !",-.WX !"#$   !!!!!!4!5!6!_!`!!!"%"&"'"(")"*"+","""""""""""""#^#_##$$$$$$5$6$7$`$a$$$%&%'%(%)%*%+%,%-%%%%%%%%%%%%%%&&'7'8'9(>(?(@(A([(\(]((((()L)M)N)O)P)Q)R)S))))))))))**+?+@+A+B+s+t+u+v+w+++++,,,,,,,,,,,,,,,,,,,,,,----.+.,.-...H.I.J.s.t.../9/:/;/</=/>/?/@////////////////001;1<1=11111111222W2X2Y222222223-3.3/3031323334353637444444444444444444444555W5X5Y555555556-6.6/60666667777777777808182888888889999 9 9 9 9 99999: :::::::-:.:/:X:Y:::;;; ;!;";#;$;%;;;;;;;;;;;;;;;;<<====>4>5>6>7>8>9>S>T>U>~>>>>?D?E?F?G?H?I?J?K???????@i@j@@@@AAAAAAAAAAABKBLBMBBBBBBBBC!C"C#C$C%C'C(C)C*C+     z 6          P   +          2        ! " $ % % % & & ' ' (A ) ) ) +w , , - - - - .. / / 0 0 1 3, 4 6, 7 9 9  9 9 : ; >9 ? A C  --- -F-5---}H- -$`Y-'-+-/-3-7-:B-=-@- UNIT C: FINDING ANSWERS WITH YOUR CALCULATOR EVEN QUESTIONS 2-40 2. The Burger Queen restaurant offers a family special on Sundays. They offer 5 deluxe hamburgers for $5.25. These hamburgers usually sell for $1.49 each. a. What would 5 of the hamburgers cost at the regular price? b. How much do you save by buying 5 hamburgers at the sale price? c. How much do you save on the cost of each hamburger? What are you looking for? What do you need to answer the question? Estimate what your answer(s) might be (think of both numbers and terms to be used). Write out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: 4. You plan to sell cupcakes at a bake sale. A cake mix makes 24 cupcakes. It costs you $1.90 to make the cupcakes. a. What is the cost of each cupcake? b. If $.10 were added to the cost of each cupcake, what would the total selling price of a cupcake be? c. By rounding the price to the nearest nickel, you can avoid handling pennies. How should you price the cupcakes to make at least $.10 profit on each cupcake, and avoid handling pennies? What are you looking for? What do you need to answer the question? Estimate what your answer(s) might be (think of both numbers and terms to be used). Write out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: 6. The Lawson family produces alfalfa hay on 90 acres of land and meadow hay on 300 acres. The average production levels are 4.5 tons per acre for alfalfa hay and 2.0 tons per acre for the meadow hay. a. How many tons of alfalfa hay can the Lawsons hope to obtain from their land? b. How many tons of meadow hay can the Lawsons hope to obtain? c. How many total tons of hay can the Lawsons hope to produce? What are you looking for? What do you need to answer the question? Estimate what your answer(s) might be (think of both numbers and terms to be used). Write out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: 8. Robert and Misty bought a new house. They are figuring out how much St. Augustine sod they need to cover their front yard. The front yard is rectangular. One side measures 20 yards. The other side measures 12 yards. See diagram below. Place picture, page 35, here. a. What is the area of Robert and Mistys front yard? (HINT: Area is calculated by multiplying the length x width.) b. How many yards (that is, square yards) of sod will it take to cover the front yard? c. Robert and Misty decide to spread out the sod so that they need only 3/4 of the full amount. How many yards of sod should they buy? What are you looking for? What do you need to answer the question? Estimate what your answer(s) might be (think of both numbers and terms to be used). Write out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: 10. A farm feedlot operation buys 50-pound feeder pigs for $44.50 a head. During the 120-day feeding period, the cost for feed and other supplies amounts to $62.50 for each pig. At the end of the feeding period, the pigs will show a gain of about 190 pounds. The feedlot then will sell the pigs for $0.60 per pound. a. What is the total expense to the feedlot for each pig? b. What is the total weight of each pig at the end of the feedinFg period? c. What price will the feedlot obtain for the pigs after the feeding period? d. How does the selling price compare to the total expense for each pig? What are you looking for? What do you need to answer the question? Estimate what your answer(s) might be (think of both numbers and terms to be used). Write out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: 12. Bundling of coins is done in rolls to make them easier to handle and count. For example, pennies are bundled in rolls of 50, nickels in rolls of 40, dimes in rolls of 50, and quarters in rolls of 40. a. What is the value of each roll of coins listed above? b. If you had one5 roll of each type, what would be the total value of all the coins? What are you looking for? What do you need to answer the question? Estimate what your answer(s) might be (think of both numbers and terms to be used). Write out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: 14. Series EE government bonds can be purchased for 1/2 of their face value. a. What is the purchase price for a Series EE bond with a face value of $100? b. If the $100 bond at maturity has a value of $106.56, what part of this value at maturity is interest (that is, value above the purchase price?) c. What percent of the purchase price is the interest that is earned? What are you looking for? What do you need to answer the question? Estimate what your answer(s) might be (think of both numbers and terms to be used). Write out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: 16. Corner Hardware began selling garden hoses this year. The store made the following purchases: February 10 25 hoses at $6.00 each April 7 60 hoses at $6.50 each June 21 50 hoses at $7.00 each August 25 40 hoses at $6.50 each a. What is the total number of hoses purchases by Corner Hardware? b. What was the total cost of the purchases for each of the four months? c. What was the total cost of all purchases? d. On October 1, Corner Hardware has 22 hoses left in inventory. How many hoses has the store sold? What are you looking for? What do you need to answer the question? Estimate what your answer(s) might be (think of both numbers and terms to be used). Write out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: 18. You are the warehouse manager for the Lunar Candy Bar Factory. You have on hand a total inventory of 461,200 candy bars in three warehouse buildings. The company president instructs you to reduce the warehouse space to two buildings. Each warehouse building has a maximum capacity of 200,000 bars. You know that its best to keep on hand 90% of the maximum warehouse capacity. a. How many candy bars will you want to keep on hand in each warehouse building? b. At this level, what woul be the total inventory in the two warehouse buildingsH? c. How many candy bars must be sold to reduce the current inventory to the number that you want to keep on hand in the two buildings? What are you looking for? What do you need to answer the question? Estimate what your answer(s) might be (think of both numbers and terms to be used). Write out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: 20. An advertisement for an air-conditioning unit indicates that this unit will use $263 in electricity per year. a. At this rate, if you use the unit for 6 warm-weather months, how much would the electricty cost you during each of these summer months? b. If a competing brand advertises that it uses 1/10 less energy, how much would the electricity cost to run this unit? What are you looking for? What do you need to answer the question? Estimate what your answer(s) might be (think of both numbers and terms to be used). Write out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: 22. For the first 10 days in a hospital, an insurance policy pays $105 per day for hospital care. A patient is discharged from the hospital after an eight-day stay with a total bill of $1238.00. a. What amount will the insurance company pay? b. The patient is responsible for the portion of the bill not paid by the insurance company. How much must the patient pay? What are you looking for? What do you need to answer the question? Y Estimate what your answer(s) might be (think of both numbers and terms to be used). Write out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: 24. Mr. Mitchell complains to his dentist that his chin seems to be jutting out. Dr. Fillit recognizes this complaint as a sign of worn dentures. Using a speech technique, he finds that the space between Mr. Mitchells top and bottom dentures is 6 mm. The spacing for new dentures is about 3 1/2 mm. a. By how much does the spacing of Mr. Mitchells dentures exceed the spacing of new dentures? b. Dr. Fillits dental technician will build up Mr. Mitchells dentures to reduce the spacing to 3 1/2 mm. The buildup will be shared evenly by the top and bottom dentures. How much material should the technician add to the top denture? What are you looking for? What do you need to answer the question? Estimate what your answer(s) might be (think of both numbers and terms to be used). Write out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: 26. You have a doctors appointment in 45 minutes. However, you would like to squeeze in a quick trip to the department store before the appointment. It takes 20 minutes to drive to the department store, and about 15 minutes to get from the store to the doctors office. a. What is the total amount of time that you will spend driving? (Use the estimates given above.) b. How much time does that leave for shopping? What are you looking for? What do you need to answer the question? Estimate what your answer(s) might be (think of both numbers and terms to be used). Write out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: 28. A recipe calls for 10 ounces of chocolate. You find that somebody has sampled your supply of chocolate bars and left you with only 7 1/4 bars. Each bar weighs 1 1/3 ounces. a. How many ounces of chocolate do you have left? b. Do you have more (or less) than enough for the recipe? By how much? What are you looking for? What do you need to answer the question? Estimate what your answer(s) might be (think of both numbers and terms to be used). Write out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: 30. A dress designer fashions a dress that is 46 inches long from neck to hem. The design calls for a string of buttons from top to bottom. The first button is placed 1 inch from the top. The last button is placed 3 inches from the hem. The remaining buttons should be 2 inches apart. (Hint: Make a sketch of this design.) a. What is the remaining length of dress needing buttons? b. How many buttons are needed to complete the string of buttons? (Be sure to check your answer with your sketch!) What are you looking for? What do you need to answer the question? Estimate what your answer(s) might be (think of both numbers and terms to be used). Write out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: 32. You work for G & Ws Garage. The end gap of the piston rings in the automobile you are working on should be 0.020. Using a feeler gauge, you measure the distance (gap) between the ends of a new piston ring. The gap measures 0.017. How much of the ring end material must be removed with a file to obtain the correct end gap? Place picture, page 41, here. What are you looking for? What do you need to answer the question? Estimate what your answer(s) might be (think of both numbers and terms to be used). Write out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: 34. The storeroom has 14 spools of wire in stock. Each spool contains 150 feet of wire. a. What is the total length of wire on the spools? b. A closer inspection reveals that one spool is tagged, indicating that 65 feet of wire have been removed from it. Using this information, what is the total length of wire in the storeroom? What are you looking for? What do you need to answer the question? Estimate what your answer(s) might be (think of both numbers and terms to be used). Write out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: 36. Air-conditioning systems are charged with refrigerant R-12. A full drum of R-12 contains 50 pounds of refrigerant. Each system that is charged uses 1 3/4 pounds of refrigerant. How many systems can be completely charged with refrigerant? What are you looking for? What do you need to answer the question? Estimate what your answer(s) might be (think of both numbers and terms to be used). BWrite out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: 38. Eight individually powered machines are used in a small production shop. Machine A uses 420 watts; machine B uses 255 watts; machine C uses 550 watts; machine D uses 480 watts; machine E uses 310 watts; machine F uses 515 watts; machine G uses 730 watts; and machine H uses 470 watts. a. What is the total wattage used when all the machines are running at the same time? b. The total wattage used must be limited to 3000 watts. Machines C,F, and G must be kept running. What is the fewest number of the other machines that can be turned off to keep the total power usage below 3000 watts? Which machines would you turn off? What are you looking for? What do you need to answer the question? Estimate what your answer(s) might be (think of both numbers and terms to be used). Write out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: 40. A film is used on automobile windows to reflect light. One manufacturer claims that its film allows only 35% of the light shining on a window to pass through and enter the car. a. If 1240 watts from the sun shines on a window covered with this film, how much of the light passes through? b. If this light passes through the first film, then passes through a second identical layer of film, what is the final amount of light that passes through the window? (Be careful.) What are you looking for? What do you need to answer the question? Estimate what your answer(s) might be (think of both numbers and terms to be used). Write out the methods that you will use to solve the problem and show your work in calculating the answer(s). Your answer(s) are (make sure you are close to your estimate and the units used are correct: DSET|(H->"9 *6*>"9DSET(H-9>96*=9DSETR ----0   -Unit C Even Questions