Math Problem Statement
Melinda has recently purchased a house and expects that the roof will need replacement in 20 years, which will cost approximately $25,000. To ensure she has the necessary funds for this future expense, she plans to save an equal sum of money at the end of each year. Her savings will be invested and will accrue a 6% annual interest rate. What is the amount she should set aside annually for this purpose, and should you calculate the future value or present value or annuity?
Solution
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Math Problem Analysis
Mathematical Concepts
Future Value of Annuity
Compound Interest
Ordinary Annuity
Formulas
Future Value of Annuity Formula: FV = PMT * [(1 + r)^n - 1] / r
PMT Formula: PMT = [FV * r] / [(1 + r)^n - 1]
Theorems
Annuity Theorem
Suitable Grade Level
Grades 10-12
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