Chapter 4 - Proportions, Percents, and Solving Inequalities - 4.2 - Percents and Problem Solving - Problem Set 4.2 - Page 156: 55

The interest earned will be 500 dollars.

To find the interest earned, we use the interest formula. The interest formula is: I = P $\times$ r $\times$ t. P = 2500 r = 4% = 0.04 t = 5 Substitute these values in the formula to obtain: interest earned = 2500 $\times$ 0.04 $\times$ 5 interest earned = 500 The interest earned will be 500 dollars.