Question

if you subtract 1/2 from a number and multiply the result by 1/2 you get 1/8 what is the number the answer is 3/4 but I need the step by step explanation​

Answer 1

Answer:

3/4

Step-by-step explanation:

Let the number be x

Subtraction of 1/2 from x = x-1/2

Then multiplication of the result obtained by 1/2 =( x-1/2)1/2

Result got at last = 1/8

Then find the number?????

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

x - 1/2 =1/8 ×2

x-1/2 = 1/4

Do fraction of x - 1/2

2x-1/2 =1/4

Criss cross method

LHS goes to RHS and RHS goes to LHS

4(2x -1) = 2

8x - 4 = 2

8x = 2+4

8x = 6

Then

x = 6/8

x = 3/4

HOPE IT HELPS YOU........

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Answer 2

Answer:

let the number =a

according to the. question,

1/2×(a-1/2) =1/8

1/2× (2a-1/2)= 1/8

2a-1/4 =1/8

2a-1 = 1/2

2a =1/2+1

2a = 3/2

a= 3/4