Question

if you subtract one upon two from a number and multiply the result by 1 upon 2 you get 1 upon 8 what is the number​

Answer 1

Step-by-step explanation:

let the number be x

then

according to the question

we have to first subtract 1/2 from it so

x - 1/2

now we have to multiply the RESULT with 1/2

so

( x - 1/2 ) × 1/2

and the answer by doing so will be 1/8

so

(x-1/2 ) × 1/2 = 1/8

find x

1/2x - 2/4 = 1/8

1/2 x = 1/8 +1/2

1/2 x = 1/8 + 4/8

1/2 x = 5/8

1x = 5/8 × 2

x = 10/16

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Answer 2

$\sf \:Let \: the \: number \: be \: x.$

$\sf \: According \: to \: the \: questions,$

$\sf \: (x - \frac{1}{2}) \times \frac{1}{2} = \frac{1}{8}$

$\sf \: = \frac{x}{2}, \frac{1}{4} = \frac{1}{8}$

$\sf \: = \frac{x}{2} = \frac{1}{8} + \frac{1}{4}$

$\sf \: = \frac{x}{2} = \frac{1}{8} + \frac{8}{2}$

$\sf \: = \frac{x}{2} = \frac{1 + 2}{8}$

$\sf \: = x = \frac{3}{8} \times 2$

$\sf \: x = \frac{6}{8}$

$\sf \: x = \frac{3}{4}$