Assume Sheryl Jenkins wants to accumulate $ 13,987.40 in two years. She currently has $ 10,600.50 to invest. What interest rate must she earn on her investment (that is, if she deposits $ 10,600.50 today) to have $ 13,987.40 exactly two years from today?(Record your answer as a percent rounded to 1 decimal place; for example, record .527945 = 52.8% as 52.8). What formula would I use to answer this type of question?

Answer:

8.5

(14.9)