Algebra 1

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

Chapter 2 - Solving Equations - 2-10 Change Expressed as a Percent - Practice and Problem-Solving Exercises - Page 149: 27


42% decrease

Work Step by Step

percent decrease = $\frac{original amount-new amount}{original amount}$ $\frac{140.25-80.75}{140.25}=0.424$ Move the decimal over two places to the right and round down. The percent decrease is 42%.
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