Question

if you subtract ½ from a number and multiply the result by ½ you get ⅛. what is the number​

Answer 1

Answer:

let the number be 'x'

=> (x-1/2) * 1/2 = 1/8

=> x-1/2 = 1/4

=> x = 1/4 + 1/2

       = 3/4

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Answer 2

Answer:

$x - \frac{1}{2} = y \times \frac{1}{2} = \frac{1}{8} \\ \\ y \times \frac{1}{2} = \frac{1}{8} \\ \\ y = \frac{1}{4} \\ \\ x - \frac{1}{2} = \frac{1}{8} \\ \\ x = - \frac{3}{8}$