# Chapter 2 - Solving Equations - 2-9 Percents - Lesson Check - Page 141: 5

Interest is $180. #### Work Step by Step Use the simple interest formula: I=Prt The principal is 1200. The annual rate is 0.025. The time is 6. So, we substitute all the values and solve: I=1200(0.025)6 I=30(6) I=180 So the interest is$180.

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