# SOLUTION: how long it will take to double my money if i put it in a bank giving interest rate 7% per annum compounding monthly ?

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 Click here to see ALL problems on Money Word Problems Question 462224: how long it will take to double my money if i put it in a bank giving interest rate 7% per annum compounding monthly ?Answer by JimboP1977(308)   (Show Source): You can put this solution on YOUR website!x = sum of money t = number of months interest rate = Divide both sides by x to give take logs of both sides so about 119 months which is nearly 10 years.