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: 17

Answer

55%

Work Step by Step

The equation for percent decrease is the following: $(\frac{original amount - new amount}{original amount})\times100$ Thus, we plug in the numbers to find: $(\frac{18.75-8.5}{18.75})\times100\approx55$%
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