At 6.25 percent interest, how long does it take to double your money? Length of time At 6.25 percent interest, how long does it take to quadruple your money? (De not round intermediate calculations and round your answer to 2 declmal places, e.g, 32.16.) Length of time (Do not round intermediate calculations and round your answer to 2 decimal places, a.g. 32.16.) years years