Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 2 - Solving Equations - 2-10 Change Expressed as a Percent - Lesson Check - Page 148: 1

Answer

$2$%

Work Step by Step

To change the minutes to seconds: 6 minutes and 13 seconds $6=\frac{s}{60}$ $6\times60=s$ 360 = s 360 + 13 = 373 seconds 6 min 5 sec 360 + 5 = 365 seconds To find the percent decrease p%=$\frac{original-new}{original}$ p%=$\frac{373-365}{373}$ p%$\approx0.0214$, or 2%
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