7BOBO-dHHHHHH-ެH--  - -Z`k$. $.H.$.H.xHH(FG(HH(d'@/L`"pp/NJO lA/HF.B pJ @g2-x-tfp @p @p @f@p @ @2f p @fJfp @p @2g-f@F-ل9v @2gp-!(}DSET#DX-޼-޴-y-ވ-vy-h-vy--v y--v y- -vy--vy-H/vy--v;y-\-vy--v y--v#y--v&y-T-v*y-<-v-y-0-v1fy-d-v4Wy-8-v7y-4-v:y-,-v>{y-@.tD=y-Dp'D!"'()XYbcd>?@ACDEFGH  =>GHI#$%&()*+,-UV    g h i j                   & ' (                      89()*     l[\]^bcdeBh !&'(WXabc=>?@BCDEGHIJK23456789:; WXY;<=>?nopqtu O P Q R S T U V W X Y      !%!&"'"("O"P"Q"R"""""""""""#a#b#c#d#e#f#g#h#i#j######$$$$%#%$%K%L%M%N%}%~%%%%%%%%%%&^&_&`&a&b&c&d&e&f&g&&&&&'q') ) )4)5)6)g)h)i)))))*B*C*D*E*F*G*H*I*J******++,',O,P,Q,R,S,,,,,,,,,-f-g-h-i-j-k-l-m-n------./ /s//////000000{0|0}0~0000000001d1e1f2222222333333g3h3i3j3333333334P4Q4R4S4T4U4V4W5-5c5e66 61626364656e6f6g6h6i66667D7E7F7G7H7I7J7K7L7777799 9!9I9J9K9L9M9}9~9999999:\:]:^:_:`:a:b:c:d:::::::;<<<\<]<<<<<<=!="=#=$=%=======>>>>>>>>v>w>x>z>{?@@ABBBBBBBBBCZC[C\C]C^CCCCCCCCD9D:D;D<D=DPDQDRDVDWDX                 l            B           * + W X Y           ; =    O  Q  T  V             "( "P "Q " " #b #e # # # # # %$ %L %M % % &c &d & & ( ( )  * * + ,' ,O ,P - . . /9 /D / / / 1d 1 1 2 2  2 2 2 4P 4 4 5 5 5 5  6  61 62 7 8r 8w 8z 8} 9! 9I 9J : ; < < < < < > > >c >k >m >m >x ? @ A A B D= DE DG DG DR DS DU -ޔ-ޘt-ޤ e-ސ(---ޜ-߬-!-%:-(-,@-.c-2Ac-5-9-=X-ތ@]-| UNIT 2: ESTIMATING ANSWERS ODD QUESTIONS 1-39 1. You work in the shipping department for a mail order house. You are filling a customers order for several small items. The items ordered weigh 21 ounces, 23 ounces, 18 ounces, and 7 ounces. The policy of your company is to use a stronger box to ship products totaling more than 3 pounds. Knowing that 16 ounces is one pound, estimate whether you should use the stronger box. Explain how you made your decision. 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): 3. The weight capacity of a certain carnival ride is posted as 500 pounds Out of the following, which would probably be a safe load? a. 7 young children b. 2 adults c. 10 college students d. 16 high school students 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): 5. Greg is planning a garden that is 60 feet long. He wants to set bushes in a row along the length of the garden, but try to spend less than $100. Greg has chosen a small bush that sells for $2.99. The bush requires a minumum spacing of 10 itnches on each side for growing room. a. Estimate the number of bushes Greg will need. b. Will Greg be able to purchase the bushels for less than $100? 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): 7. Peas are seeded at 1 pound per 100 feet. a. Estimate about how many pounds of peas would be seeded in 6 rows each 90 feet long. b. If there are about 2,000 seeds in each pound of peas, estimate the number of peas planted in each row. 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): 9. A four-row corn combine harvests about 265 pounds of corn each minute. a. Estimate how many 56-pound bushels of corn the combine harvests each hour. b. Use your calculator to find the exact answer. Round your answer to the nearest bushel, and compare to your estimate. 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): 11. The actual attendance at a college football game was 46,293. What will the town newspaper report as the attendance if it rounds the actual attendance to the nearest thousand? 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): 13. You are preparing a sales report for a presentation. Your monthly sales data is shown below. Month Sales January $62,482.25 February 64,198.56 March 63,758.71 April 68,836.45 May 67,742.38 June 71,998.65 July 69,831.29 August 70,323.16 September 70,831.04 a. Round the sales data to the nearest thousand dollars for each months data for your report. b. What should your report indicate as the total sales for the reported period (also rounded to the nearest thousand dollars)? 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): 15. When fractional cents are involved in the price of food items, grocery stores almost always round up the fractional cents. Suppose a local grocery store is having a sale on tomato sauce, offering six cans for a dollar. a. How much will you be charged for one can? b. How much will you be charged for two cans? c. How much will you be charged for three cans? d. What is the effect of rounding in each of these costs? 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): 17. A homeowner decides to line both sides of a 55-foot sidewalk with landscaping timbers. The timbers are sold only in 8-foot lengths. a. How many 8-foot timbers are needed to line the sidewalk? b. Estimate how much the timbers will cost, if each one costs $3.95. 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): 19. Each bay in Warehouse #1 can hold 9 pallets, and each pallet can hold 24 boxes. The warehouse manager reports that all but 83 of the 1,200 bays are full. Approximately how many boxes -- to the nearest thousand -- are stored in the warehouse? 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): 21. During each 15-minute test, a recording kymograph uses about 4 meters of recording paper. a. Estimate how many complete tests can be performed with a 450-meter roll of paper:  b. Without working out the exact answer, do you think your estimate will be higher or lower than the correct answer? Explain. 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): 23. Your prescription calls for three tablets each day. Monday morning, before taking any tablets, you count the remaining tablets. You find that there are 46 tablets left. a. Estimate to find if you have enough medication left for the rest of the week. b. Exactly how many full days of medication do you have left? 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): 25. An intravenous solution is to be given to a patient at the rate of 500 milliliters (ml) in 6 hours. Every 15 drops of this solution makes 1 ml. a. About how many ml should the patient have received after 1 hour? (Round to the nearest ten mililiters.) b. Using your calculator, determine how many ml per minute the patient should receive. Multiply this amount by 15 drops per ml to find out how many drops per minute the patient should receive. Round the answer to the nearest whole drop. 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): 27. A fashion buyer placed orders at a recent show in Dallas for the following: Gayson, $64,000; Tuckers, $43,525; Banday, $52,480; and Vickory, $28,900. The total budget is $500,000 this year. a. Estimate the total cost of the orders to the nearest five thousand dollars. b. Have these orders used more than half of the budget for the year? 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): 29. Plans are underway for a banquet to serve 45 people. For each guest, a 6- ounce serving of beef tenderloin is to be prepared. However, meat is normally ordered in pounds, not ounces. (Hint: Each 16 oz is equal to 1 lb.) a. Estimate how many pcounds of tenderloin should be ordered. b. Use your calculator to get an exact answer, rounded up to the nearest whole pound. c. Is your estimate higher or lower than the exact answer? Why? 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): 31. You work in an industry that uses tape measures marked off in tenths of inches. A specification calls for a measurement between 16 3 /16 in. and 16 5/16 in. What lengths -- when rounded to the nearest tentch of an inch -- can you measure with your tape that will fall within the specified lengths? 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): 33. You are contracted for a roofing job. You estimate that you need about 4,800 roofing nails. According to a handbook, the roofing nails you need count out at about 189 nails per pound. a. Estimate how many pounds of nails you need. b. If you want to add an additional 10% allowance for losses, about how many additional pounds will you need to buy? (Round to the nearest half-pound.) 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): 35. You work in the automotive department of Rogers Department Store installing car batteries. Rogers specializes in Zapper brand batteries. The Zapper comes in three lengths: 8 15/16 in., 10 in. and 12 in. The racks that the batteries are stored on (lengthwise) are 8 feet long. For each size Zapper, how many can you store on a rack? 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): 37. Your electric bill arrived today and you want to check the amount. It shows that your previous meter reading was 77,495 (kWh) and the current reading is 79,484 (kWh). Your electric company charges $0.0759 per kWh for electricity used. a. Estimate how much electricity you used this month. b. Use your estimated usage to estimate what the actual bill will be. c. What is your exact cost for electricity this month? (Round up to the nearest cent.) 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 yXou 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. A company packages 100 paper clips into each box. You work as a quality control inspector. By weighing the clips in a box, you can check whether the packaging machine is putting the correct number of clips into each box. One hundred paper clips (without the box) should weigh 63.6 grams. a. How much should each paper clip weigh, rounded to the nearest hundredth of a gram? b. About how much would the clips in a box weigh, rounded to the nearest 0.1 gram, if there were 101 clips in it? If there were 99 clips in it? Should you use your rounded result from Part a, or the exact value to compute the]se values? c. You weigh the clips from several boxes. You record the weight as follows: 63.5 grams, 63.6 grams, 63.7 grams, 63.2 grams, 64.3 grams, 63.0 grams, 64.4 grams, 63.6 grams, 64.9 grams, and 62.9 grams. How many of these boxes should you suspect have more (or less) than 100 paper clips in them? (Notice that some small variation in the weight of the clips is expected.) 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@-߈7h9 *6*7h9DSET(H2p-ߌ9896*7$9DSETR -$--ޠ-(   -ހUnit 2 Odd Questions