Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 4 - Proportions, Percents, and Solving Inequalities - 4.3 - More on Percents and Problem Solving - Problem Set 4.3: 44

Answer

One head of lettuce should be sold for 1.15 dollars.

Work Step by Step

Let s represent the selling price. We can use the following guideline to solve this problem: Selling price = Cost + Profit s = 0.50 + 130% $\times$ 0.50 s = 0.50 + 1.3 $\times$ 0.50 s = 0.50 + 0.65 s = 1.15 One head of lettuce should be sold for 1.15 dollars.
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