Math Problem Statement
You want to be able to withdraw $40,000 each year for 30 years. Your account earns 7% interest.
a) How much do you need in your account at the beginning?
$
b) How much total money will you pull out of the account?
$
c) How much of that money is interest?
Solution
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Math Problem Analysis
Mathematical Concepts
Annuities
Present Value
Interest
Formulas
Present Value of Annuity Formula: PV = P × (1 - (1 + r)^-n) / r
Total Withdrawn = P × n
Interest Earned = Total Withdrawn - PV
Theorems
Annuity Present Value Theorem
Suitable Grade Level
Grades 11-12 or College-level Finance
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