if we subtract 1/2 from a number and multiply the result by 1/2 , we get 1/8, then the number is __________
Answers
Answered by
1
Let the number be x
So,
(x-1/2)1/2=1/8
(2x-1/2)1/2=1/8
2x-1/4=1/8
2x-1=18 x 4
2x-1=72
2x=72+1
2x=73
X=73/2
X=36.5
So the required number is 36.5
So,
(x-1/2)1/2=1/8
(2x-1/2)1/2=1/8
2x-1/4=1/8
2x-1=18 x 4
2x-1=72
2x=72+1
2x=73
X=73/2
X=36.5
So the required number is 36.5
Similar questions