Exercise: Solving Word Problems with Equations General Math 2 Numbers and Operations Section 1.4

Solve the following equations.a. 11w = 88b. 7u = 210c. v ÷ 81 = 9d. c ÷ 4 = 16

125 033 9 0.25

Andy played golf three times during his vacation. His scores were 92, 87, and 88. What was his average golf score during his vacation? (Let A stand for the average.)

704

Look for a pattern in the first three equations. Then, fill in the missing numbers in the rest of the series of equations.1= 1 · 2⁄21 + 2 = 2 · 3⁄21 + 2 + 3 = 3 · 4⁄21 + 2 + 3 + ? = ? · ?⁄?1 + 2 + 3 + ? + ? = ? · ?

1/2/2 1x2xe=3 123 =324 123 456

Bill bought a computer and a printer for a total of $650. The computer cost $525. How much did he pay for the printer alone? (Let p stand for the cost of the printer.

11.75

Tickets to a local basketball team's games cost $12 each. Brendon and Ed each bought tickets to four games. How much did they spend on tickets altogether? (Let t stand for the amount spent on tickets.)

16

Terri bought four lipsticks for a total cost of $20. Assuming each lipstick cost the same amount, how much did one lipstick cost? (Let l stand for the cost of one lipstick.)

24

Brian is conducting surveys for a research paper. Each survey takes him about 10 minutes to complete, so he can get 6 done per hour. At this rate, how many hours will it take Brian to complete 30 surveys? (Let h stand for the number of hours.)

46

Bonnie loves to order products online. She ordered 27 products from one company, but unfortunately, some items were back-ordered, so she received only 19 items. How many items were missing from her order? (Let m stand for the number of missing items.)

5.13