A professor wants to supplement her pension with investment interest. if she invests $35,000 at 7% interest, how much more would she have to invest at 8% to achieve a goal of $4,370 per year in supplemental income?
Hi there 35000×0.07+0.08x=4370 Where x is the amount invested at 8% Now solve for x 2450+0.08x=4370 0.08x=4370-2450 0.08x=1,920 X=1,920÷0.08 X=24,000.....answer
