Question

if 2/5 of a number exceeds 1/7 of the same number by 36find the number

Answer 1

let number be x
2/5+×x=1/7×x +36
9/35×x=36
x=140

Answer 2

Heya !!!



Let the number be X.



2/5 of X = 2/5 × X = 2X/5


And,


1/7 of X = 1/7 × X = X/7




According to question,


2/5 of a number = X/7 + 36



2X/5 = X/7 + 36


2X/5 = X + 252/7


7 ( 2X) = 5 ( X + 225)


14X = 5X + 1260


14X - 5X = 1260


9X = 1260

X = 1260/9 = 140.


Hence,


Number is 140.


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