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15 votes
15 votes
Donald puts 400.00 into an account to use for school expenses the account earns 5% interest compounded annually how much will be in the account after 6 years

User Gowtham
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1 Answer

30 votes
30 votes

\begin{gathered} P=\text{PRINCIPAL}=400 \\ r=\text{interest rate 5\% anual=0.05} \\ t=time=6years \\ \text{the simple interest formula is } \\ I=\text{Prt} \\ IN\text{ THIS CASE} \\ I=(400)(0.05)(6) \\ I=120 \\ \text{hence, in 6 years, Donald will have 400+120=520 dollars in his account.} \end{gathered}

User Wulymammoth
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