Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 3 - Solving Inequalities - Chapter Review - 3-4 Solving Multi-Step Inequalities - Page 224: 37


\$6250 in sales

Work Step by Step

Let s be the amount of sales. The amount of commission is 0.04s. Earnings is the total of the commission and the base salary of \$200. $0.04s+200\geq450\longrightarrow$ subtract 200 from each side $0.04s+200-200\geq450-200\longrightarrow$ subtract $0.04s\geq250\longrightarrow$ divide each side by 0.04 $0.04s\div0.04\geq250\div0.04\longrightarrow$ divide $s\geq6250$
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