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A student was asked to divide a number by 15 and add 9 to the quotient. He, however, first added 15 to the number and then divided it by 9, getting 115 as the answer. Then find the correct answer.

A student was asked to divide a number by 15 and add 9 to the quotient. He, however, first added 15 to the number and then divided it by 9, getting 115 as the answer. Then find the correct answer. Correct Answer 77

Let the number be x

(x + 15)/9 = 115

The number is 1020

Correct answer = (1020/15) + 9 = 77

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