Answer to Question #227386 in Algebra for Amul Baby

Question #227386

A student had multiplied a number by 4/3 instead of dividing it by 4/3 and got 70 more than the correct answer. Find the number.

Expert's answer

If the number is x, then we get the next equation:

4/3x = 3/4x + 70,

(4/3 - 3/4)x = 70,

7/12x = 70,

x = 70×12/7 = 120.

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