In: Math
(A) Use logarithms to solve the problems.
How long will it take $15,000 to grow to $18,000 if the investment earns interest at the rate of 5%/year compounded monthly? (Round your answer to two decimal places.)
yr
How long will it take an investment of $5000 to triple if the investment earns interest at the rate of 3%/year compounded daily? (Round your answer to two decimal places.)
yr
Find the interest rate needed for an investment of $3000 to double in 5 years if interest is compounded continuously. (Round your answer to two decimal places.)
%/year