Math Problem Statement
Given:
P (Principal) = $9,500
Annual interest rate = 7.25%
r (Monthly interest rate) = 7.25%12\frac{7.25%}{12}127.25% = 0.072512≈0.00604167\frac{0.0725}{12} \approx 0.00604167120.0725≈0.00604167
n (Total number of payments) = 5 years ×\times× 12 months/year = 60 months
The formula for the monthly payment MMM is:
M=P×r×(1+r)n(1+r)n−1M = \frac{P \times r \times (1 + r)^n}{(1 + r)^n - 1}M=(1+r)n−1P×r×(1+r)n
Substituting the given values:
M=9500×0.00604167×(1+0.00604167)60(1+0.00604167)60−1M = \frac{9500 \times 0.00604167 \times (1 + 0.00604167)^{60}}{(1 + 0.00604167)^{60} - 1}M=(1+0.00604167)60−19500×0.00604167×(1+0.00604167)60
Step-by-Step Calculation:
Step 1: Calculate (1+r)60(1 + r)^{60}(1+r)60:
(1+0.00604167)60≈1.42576(1 + 0.00604167)^{60} \approx 1.42576(1+0.00604167)60≈1.42576
Step 2: Calculate the numerator:
9500×0.00604167×1.42576≈81.9469500 \times 0.00604167 \times 1.42576 \approx 81.9469500×0.00604167×1.42576≈81.946
Step 3: Calculate the denominator:
1.42576−1=0.425761.42576 - 1 = 0.425761.42576−1=0.42576
Step 4: Calculate the monthly payment MMM:
M=81.9460.42576≈192.43M = \frac{81.946}{0.42576} \approx 192.43M=0.4257681.946≈192.43
Solution
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Math Problem Analysis
Mathematical Concepts
Interest Calculation
Financial Mathematics
Formulas
Monthly Payment Formula for Installment Loans
Theorems
-
Suitable Grade Level
Advanced High School
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