Question

if we subtract 1/2 from a number and multiply the result by 1/2 we get 1/8. what is the number?

Answer 1

let x be the number we want......
here..,..
$(x - \frac{1}{2} ) \times \frac{1}{2} = \frac{1}{8} \\ ..x - \frac{1}{2} = \frac{1}{4} \\ ..x = \frac{1}{4} + \frac{1}{2} \\ ..x = \frac{3}{4}$
so ......
in this way...
the unknown number is 3/4

Answer 2

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