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

61%

#### Work Step by Step

The equation for percent increase is the following: $(\frac{new amount - original amount}{original amount})\times100$ Thus, we plug in the numbers to find: $(\frac{4500-2800}{2800})\times100\approx61$%

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