Algebra 1

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

Chapter 2 - Solving Equations - Chapter Test - Page 157: 12


decrease by 10%

Work Step by Step

Because the new amount is 15 lb less than the start amount, there has been a decrease, and we can use the percent change formula to solve: $\frac{15}{150}=$ percent change calculate $\frac{15}{150}=0.10$ move the decimal over 2 places to the left to change to a percent: $0.10=10$%
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