# Chapter 7 - Exponents and Exponential Functions - 7-8 Geometric Sequences - Practice and Problem-Solving Exercises - Page 472: 66

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.

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