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)   (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 percent interest,

in his a savings account, earning percent interest, it will take for his money to double

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