Question

A student had multipled a number by 4/3 instead of diving it by 4/3 and got 70 more than the correect answer. Find the number

Answer 1

Step-by-step explanation:

Let the number be x

$x \times \frac{4}{3} = x \div \frac{4}{3} + 70 \\ \frac{4}{3} x - \frac{3}{4} x = 70 \\ \frac{7}{12} x = 70 \\ x = 120$

Answer 2

Answer:

120

Step-by-step explanation:

Lets assume the original number to be x

By multiplying, he got

x*4/3=4x/3

By dividing, he got

x÷4/3= x*3/4= 3x/4

We know that the difference between the two values is 70, so

4x/3-3x/4=70

Solving this, we get x= 120

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