Answer
The new value is 37.5.
Work Step by Step
Let x = new value
Percent change
$0.5=\frac{x-25}{25}$
$12.5=x-25$
$\rightarrow x=37.5$
The new value is 37.5.
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 7 - Exponents and Exponential Functions - 7-8 Geometric Sequences - Practice and Problem-Solving Exercises - Page 472: 66
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