Four years ago, Mrs. Iyer's age and her daughter's age were in the ratio 5 : 1. Four years from now, the ratio will be 3 : 1. How old is Mrs. Iyer now? (answer in years)

Question

Accepted Answer

44. Four years ago: 5k and k. In 4 more years (8 years later): (5k + 8)/(k + 8) = 3 ⇒ 5k + 8 = 3k + 24 ⇒ k = 8. Mrs. Iyer now = 5 × 8 + 4 = 44 years.

Four years ago, Mrs. Iyer's age and her daughter's age were in the ratio 5 : 1. Four years from now, the ratio will be 3 : 1. How old is Mrs. Iyer now? (answer in years)

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