Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 1, Equations and Inequalities - Before - Page XXIV: 11


$(15-0.5r)$ dollars

Work Step by Step

The total cost of the tickets is equal to the product of the number of tickets bought and the cost per ticket. Thus, $r$ raffle tickets would cost a total of $r(0.50) = 0.5r$ dollars. The remaining money can be found by deducting the cost of the tickets from $\$15$. Thus, the amount of money left is: $$(15-0.5r)\text{ dollars}$$
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