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Mathematics of Investment Essay Preview: Mathematics of Investment Report this essay MATHEMATICS ofINVESTMENTBY: DIGNA PUZON ANTONIOSET A(Simple interest)How much is needed to settle a loan of ₱7,500 at 9 2/5 % due in 2 years and 6 months?Let P = ₱ 7.500 r = 9 2/5% or 9. 4% or 0.094 t = 2.5 yearsSolution:Step 1. I.