Math Problem Statement
Suppose you found a CD that pays 3.3% interest compounded monthly for 3 years.
If you deposit $12,000 now, how much will you have in the account in 3 years? (Round to the nearest cent.)
$
What was the interest earned? (Round to the nearest cent.)
$
Now suppose that you would like to have $20,000 in the account in 3 years. How much would you need to deposit now? (Round to the nearest cent.)
Solution
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Math Problem Analysis
Mathematical Concepts
Compound Interest
Exponential Growth
Finance
Formulas
Compound Interest Formula: A = P(1 + r/n)^(nt)
Interest Earned: Interest = A - P
Rearranged Compound Interest Formula to solve for P: P = A / (1 + r/n)^(nt)
Theorems
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Suitable Grade Level
Grades 9-12
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