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 - Lesson Check - Page 148: 1


about 2%

Work Step by Step

percent change = $\frac{original amount-new amount}{original amount}$ Change the runners time to seconds 6 min 13s= 373s 6 min 5s = 365s $\frac{373-365}{373}=0.02$ Move the decimal place two plaecs to the right. The percent change was a 2% decrease.
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