# A professor wants to supplement her pension with investment interest. If she invests $27,0

*label*Mathematics

*timer*Asked: Feb 21st, 2015

**Question description**

A professor wants to supplement her pension with investment interest. If she invests $27,000 at 5% interest, how much more would she have to invest at 7% to achieve a goal of $3,240 per year in supplemental income?