Question 466015
At what interest rate (to the nearest hundredth of a percent) compounded annually will money in savings double in five years
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{{{(1 + r)^5 = 2}}}  r = interest rate
{{{1 + r = root(5,2)}}}
{{{r = root(5,2) - 1}}}
r =~ 0.1486 = 14.86% per year