Math Problem Statement
On his 25th birthday, Matthew started an annuity for his retirement. He deposits $670 each month into an account earning 5% annual interest compounded monthly. He determines that he will be able to retire once he has $1,000,000 in his retirement account. Determine how old Matthew will be when he is able to retire.
Solution
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Math Problem Analysis
Mathematical Concepts
Annuities
Compound Interest
Exponential Growth
Logarithms
Formulas
Future Value of an Annuity Formula: A = P × [(1 + r/n)^(nt) - 1] / (r/n)
Theorems
Compound Interest Theorem
Suitable Grade Level
College-Level or Advanced High School (Grades 11-12)
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