### Home > CC2MN > Chapter 9 > Lesson 9.3.2 > Problem 9-108

9-108.

Joaquin has agreed to lend his younger brother

Calculate the interest Joaquin will earn for one month by calculating what

Once you know how much interest he will earn for one month, can you calculate how much he will earn for

Add the total interest earned to the original amount Joaquin lent his brother.