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" # $ % & ' ( )   E F ` a b c d Y Z [ \ ] ^ _ ` a b c d EF{|9:;<=ijklm23456789:;<=()CDEFGstuvw<=>?@ABCDEFGNO'()*+YZ[\]^_KL !"#wxyzQRSTUVW !IJKL#$%&'()*RBCDE !"cd   / 0 1 2 3 _ ` a b c !(!)!*!+!,!-!.!/!0!1!2!3!!!!!!!!!!!"""n"o###9#:#;#<#=#i#j#k#l#m####$2$3$4$5$6$7$8$9$:$;$<$=$$$$$%=%>%%%%&&&&&&3&4&5&6&7&&&&&&&&'''''''''e'f'g'h'i'j'k'l''(( ((((((())) ) ) )_)`)a)b))))))))))))*9*:*;*<*=*>*?****+b+c+d+e+f+g+h++++++++++, , , , ,{,|,},~,,,,,,,,,,,.X.Y............/>/?/@/A////////////000000001<1>11112)2*2D2E2F2G2H2t2u2v2w2x22223=3>3?3@3A3B3C3D3E3F3G3H33334p4q44555)5*5+5,5-5Y5Z5[5\5]55556"6#6$6%6&6'6(6)6*6+6,6-66666667g7h77888788898:8;8g8h8i8j8k8888909192939495969798999:9;999 >  :    A       F         )   _  W  *  "   ! # $ % 'l ' ' ( *? +h , .[ .` . 0 2* 3 5 6 7 7 8 9 - - - - -5- --a--!-%-)y--Y-1&\-4-7-UNIT A: GETTING TO KNOW YOUR CALCULATOR ODD QUESTIONS 1-39 1. You are preparing for a wedding reception. Small bundles of birdseed, needed by the guests to toss at the happy couple, each will contain 1/8 cup of birdseed. a. How many cups of birdseed would you need if you prepared a bundle of birdseed for each student in your class? b. If you were tossing sunflower seeds instead of birdseed, how many cups would you need? What are you looking for? What do you need to answer the question(s)? 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): 3. The cashier rings up your purchases of $3.29 and $7.59, and adds sales tax of $0.54. a. What is the total of your purchases and tax? b. How much change should you receive from a twenty-dollar bill? What are you looking for? What do you need to answer the question(s)? 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): 5. How many cubic yards of dirt are needed to fill a raised garden that is 12 1/2 yards long, 1 1/2 yards wide, and 1/6 yard deep? (Hint: Volume = length * width * depth) What are you looking for? What do you need to answer the question(s)? 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): 7. Clark built a chemical sprayer to suit his own needs, rather than purchase a manufactured one. The materials for the sprayer cost $4,880, and it required 560 hours of labor to build. Clark must calculate the return on labor for this project. To do this he determined that the price of a similar manufactured sprayer would cost $10,000. a. How much did Clark save by building his own sprayer? b. Of course, this savings is really the cost for Clarks labor. What was the labor cost for each hour he worked on the sprayer? (Round to the nearest cent) What are you looking for? What do you need to answer the question(s)? 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): 9. Suppose that 300,000 alfalfa plants per acre enter the winter season. a. If two-thirds are winter-killed, how many plants per acre are killed? b. How many plants per acre survive? What are you looking for? What do you need to answer the question(s)? 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): 11. A warehouse has a total of 480 bays. Three pallets can be stacked in each bay, and each pallet can hold 60 cartons. a. How many pallets is the warehouse able to store? b. How many cartons is this? c. The warehouse manager reports that the warehouse is about three- fourths full. About how many cartons are in the warehouse? What are you looking for? What do you need to answer the question(s)? 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): 13. After doing some tune-up work on a van, you total up the cost of the parts and materials used. You installed a clean oil filter that cost $4.70, 5 quarts of oil costing $1.10 per quart, 6 spark plugs that cost $2.47 each, and a distributor tune-up kit costing $7.95. a. What is the cost of the oil? b. What is the cost of the spark plugs? c. What is the total cost of parts? What are you looking for? What do you need to answer the question(s)? 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): 15. An office building is insured by the Hard Rock Insurance agency for $200,000, by Insurance of Oma-Haha for $90,000, and by Columbus Insurance for $125,000. a. What is the total insurance coverage on the building? b. Does any one of the companies carry more than half of the total coverage? What are you looking for? What do you need to answer the question(s)? 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): 17. The total operating cost of a 40-passenger airline flight between two cities is $10,415. The airfare on this flight for each passenger is $360. a. How much would the airline receive in fares from a full load of passengers? b. What is the smallest number of passengers the flight could sell tickets for, and still meet the operating expenses of the flight. What are you looking for? What do you need to answer the question(s)? 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): 19. A customer pays $8.00 as a down payment on a stereo system, and agrees to pay $8.75 monthly installments for the next 12 months. a. What is the total cost of the stereo system to the customer? b. The stereo system was priced at $99. How much more did it cost the customer to buy the stereo system on an installment plan? What are you looking for? What do you need to answer the question(s)? 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): 21. The doctor has instructed an elderly patient to walk for a total of 60 minutes each day for exercise. a. If the patient is willing to have three exercise sessions, how many minutes should each session last? b. If the patient complains that the sessions are too long, how could you propose to shorten them, and still have a total of 60 minutes of exercise? What are you looking for? What do you need to answer the question(s)? 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): 23. A patient reported that he ate two and a quarter candy bars. a. If each bar weighs 1 1/3 ounces, how many ounces of candy did he eat? b. Does eating one ounce of candy bar cause your body weight to increase by one ounce? Explain. What are you looking for? What do you need to answer the question(s)? 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): 25. The label on the bottle of medicine reads Two tablets, four times a day. a. How many tablets should the patient take a day? b. How many tablets are needed for 2 weeks of medication on this schedule? c. Assuming the patient sleeps 8 hours (and takes no medication then), how many hours should pass between each dose during the day? (Round to the nearest tenth hour.) What are you looking for? What do you need to answer the question(s)? 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): 27. When squeezing oranges for fresh orange juice, you find that two oranges yield about one-third of a cup. (Round the final answers to 2 decimal places.) a. How much juice are you getting from one orange (on the average)? b. How much juice could you expect to obtain from a 5-lb bag having 21 similarly sized oranges? What are you looking for? What do you need to answer the question(s)? 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): 29. A pattern requires 8 3/4 yards of fabric that costs $5.49 per yard. (Round the final costs to the nearest cent.) a. How much will the fabric cost? b. A sale offers 15 yards of the same fabric at 1/2 off. What does the 15- yard piece cost? Should you buy the sale piece or the 8 3/4 yards of regularly priced fabric? What are you looking for? What do you need to answer the question(s)? 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): 31. The major diameter (or outside diameter) of a screw is 0.625 and the minor diameter (or inside diameter) is 0.5568 (as shown below). a. What is the depth of the screw thread? b. Does your answer change if there are twice as many threads per inch as that shown in the drawing? What are you looking for? What do you need to answer the question(s)? 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): 33. You can compute the average speed of travel by dividing distance traveled by the time needed to travel that distance. Use the distance from your home to the school in miles and approximately how long it takes you (in hours) to get to school each morning. Determine your average sped when traveling to school. (Round the final answer to 2 decimal places.) (Hint: Convert minutes to hours by dividing the minutes by 60.) What are you looking for? What do you need to answer the question(s)? 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): 35. During the course of working on a wiring job, an electrician checks out the following cable stock from the storeroom: 5 reels, 3 reels, 1 reel, 3 reels, and 4 reels. At the end of the job he returns to the storeroom 1 full reel, and a partial reel wit\h 20 feet remaining. a. How many reels did the electrician check out from the storeroom? b. How many feet of cable were checked out from the storeroom, if each reel has 50 feet of wire? c. How many feet of cable did the electrician use on the job? What are you looking for? What do you need to answer the question(s)? 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): 37. A machined part has a length of 12 29/32 inches. It will have two holes with 3/4 diameter, with centers 2 7/16 from each end, as shown below. (Round the final answers to 3 decimal places.) a. How far apart must the hole centers be in the finished piece? b. How far apart must the centers be if the holes have to be enlarged to 1 diameter? What are you looking for? What do you need to answer the question(s)? 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): 39. The bimetallic element of the thermostat is made of a strip of brass seventy- three thousandths of an inch thick in contact with a strip of iron that is one hundred twenty-five thousandths of an inch thick. a. What is the total thickness of the bimetallic element? b. Frequently a thousandth of an inch is referred to as a mil. What is the total thickness of the element in mils? What are you looking for? What do you need to answer the question(s)? 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-=T9 6*=T9DSET(H-99?6*=9DSETR ----Ӕ   -Unit A odd questions