Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. David invested $230 in a savings account that offers a 3% return on the investment. The value of David's investment will be at least $415 after a
period of
years.
Hint: Use the formula A = P1+), where A is the amount after tyears, Pis the amount invested, ris the rate of interest, and tis the time period.
Use a calculator to compute the answer, and round it off to the nearest year.