When 35 is subtracted from a number, it reduced to its 80%. What is 4/5th of that number?

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Accepted Answer

Let the number be N. Then N - 35 = 80N/100 ⇒ N - 4N/5 = 35 ⇒ N / 5 = 35 ⇒ N = 175 ∴ Required number = 175 x (4/5) = 35 x 4 = 140

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