P5-3 (similar to) E Question Help Future value You have $700 to invest. If you can earn 8% interest, about how long does it take for your S700 investment to grow to $1,400? Suppose the interest rate is just half that, at 4%. At half the interest rate, does it take exactly twice as long to double your money? Why or why not? How long does it take? lf the annual interest rate is 8%, the number of years it takes to double your money is years. Round to two decimal places Enter your answer in the answer box and then click Check Answer parts