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 - Practice and Problem-Solving Exercises: 18

Answer

23%

Work Step by Step

The equation for percent error is the following: $(\frac{estimated value - actual value}{actual value})\times100$ Thus, we plug in the numbers to find: $(\frac{8-6.5}{6.5})\times100\approx23$%
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