Question 4 • 2025-2026 GSP Mathematical Reasoning for Decision Making
Use the monthly loan-payment formula: payment = P × r ÷ [1 − (1 + r)^−n]. Here, P = $7,500, the monthly rate is 0.11 ÷ 12 ≈ 0.009167, and the number of payments is 5 × 12 = 60. Substituting gives a monthly payment of about $163.07, so the correct choice is $163.07.
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