Question

what number must be subtracted from each of the number 27 ,38, 7,8 so that the remainder at the proportion

Answer 1

number 7 ....
..............

Answer 2

let the no subtracted be x

according to the question

27-x : 38 - x : : 7 - x : 8 - x
= > (27 - x) ( 8 - x) = ( 7-x) ( 38-x)
= > 216 - 27x - 8x + x^2 = 266 - 7x - 38x + x^2
=> 216 - 35x = 266 - 45x
=> 45x - 35x = 266 - 216
=> 10 x = 50
=> x = 5.....

5 will be subtracted....