both questions plz

Using the Rule of 72, approximate the following amounts. a. If the value of land in an area is increasing 11 percent a year, how long will it take for property values to double? (Round your answer to 1 decimal place:) Time period years b. If you earn 6.5 percent on your investments, how long will it take for your money to double? (Round your answer to 1 decimal place.) Time period