Question
The income ratio of Carlos to Diego is 4:9. Both
individuals save ₹1200 each. If the ratio of their expenditures is 5:13, determine Diego's total expenditure.Solution
ATQ, Let the income of ‘C’ and ‘D’ be Rs. ‘4x’ and Rs. ‘9x’, respectively. ATQ, {(4x – 1200):(9x – 1200)} = 5:13 Or, (52x – 15600) = (45x – 6000) Or, 7x = 9600 So, x = 1371.43 Expenditure of ‘D’ = 9x – 1200 = {(1371.43 × 9) – 1200} = Rs. 11,142.87
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