Math Problem Statement

How long will it take to pay off a loan of ​$53 comma 000 at an annual rate of 7​% compounded monthly if you make monthly payments of ​$400 ​(round up)? Question content area bottom Part 1 To pay off the​ loan, it will take approximately    enter your response here years.  ​(Round up to the nearest​ integer.)

Solution

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Math Problem Analysis

Mathematical Concepts

Loan amortization
Exponential functions
Logarithms

Formulas

t = log(P / (P - r * A)) / log(1 + r)
Monthly interest rate: r = annual rate / 12

Theorems

Logarithmic properties
Compound interest formula

Suitable Grade Level

Grades 10-12