At the end of 2 years, P dollars invested at an interest rate r compounded annually...

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At the end of 2 years, P dollars invested at an interest rate r compounded annually increases to an amount, A dollars, given by the following formula A= P(1+r)² Find the interest rate if $128 increased to $162 in 2 years. Write your answer as a percent. Annual compound interest rate = % (Type an integer or a decimal.) At the end of 2 years, P dollars invested at an interest rate r compounded annually increases to an amount, A dollars, given by the following formula A= P(1+r)² Find the interest rate if $128 increased to $162 in 2 years. Write your answer as a percent. Annual compound interest rate = % (Type an integer or a decimal.)