SOLUTION: Mike has his money in a savings account earning 3 percent interest. How long will it take for his money to double?

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Question 398864: Mike has his money in a savings account earning 3 percent interest. How long will it take for his money to double?

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

use Rule of 72 if you want to know how long it will take to double your money at 3 percent interest,
72%2F3=+24
in his a savings account, earning 3 percent interest, it will take 24 for his money to double