Section 1.8 Mixed Applications and Computing Mean 71 26. A community college bought 72 new computers and 6 new printers for a computer lab. If computers were purchased for $2118 each and the printers for $256 each, what was the total bill (not including tax)? 27. Tickets to the San Diego Zoo in California cost $27 for children aged 3–11 and $37 for adults. How much money is required to buy tickets for a class of 33 children and 6 adult chaperones? 28. A discount music store buys used CDs from its customers for $3. Furthermore, a customer can buy any used CD in the store for $8. Latayne sells 16 CDs. a. How much money does she receive by selling the 16 CDs? b. How many CDs can she then purchase with the money? 29. Shevona earns $12 per hour and works a 40-hr workweek. At the end of the week, she cashes her paycheck and then buys two tickets to an Alicia Keys concert. a. How much is her paycheck? b. If the concert tickets cost $89 each, how much money does she have left over from her paycheck after buying the tickets? 30. During his 13-year career with the Chicago Bulls, Michael Jordan scored 12,192 field goals (worth 2 points each). He scored 581 three-point shots and 7327 free-throws (worth 1 point each). How many total points did he score during his career with the Bulls? 31. A matte is to be cut and placed over five small square pictures before framing. Each picture is 5 in. wide, and the matte frame is 37 in. wide, as shown in the figure. If the pictures are to be equally spaced (including the space on the left and right edges), how wide is the matte between them? 32. Mortimer the cat was prescribed a suspension of methimazole for hyperthyroidism. This suspension comes in a 60-milliliter bottle with instructions to give 1 milliliter twice a day. The label also shows there is one refill, but it must be called in 2 days ahead. Mortimer had his first two doses on September 1. a. For how many days will one bottle last? b. On what day, at the latest, should his owner order a refill to avoid running out of medicine? 5 in. 37 in. 33. Recently, the American Medical Association reported that there were 630,300 male doctors and 205,900 female doctors in the United States. a. What is the difference between the number of male doctors and the number of female doctors? b. What is the total number of doctors? 34. On a map, 1 in. represents 60 mi. a. If Las Vegas and Salt Lake City are approximately 6 in. apart on the map, what is the actual distance between the cities? b. If Madison,Wisconsin, and Dallas, Texas, are approximately 840 mi apart, how many inches would this represent on the map? 35. On a map, each inch represents 40 mi. a. If Wichita, Kansas, and Des Moines, Iowa, are approximately 8 in. apart on the map, what is the actual distance between the cities? b. If Seattle,Washington, and Sacramento, California, are approximately 600 mi apart, how many inches would this represent on the map?
miller_prealgebra_2e_ch1_3
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