Question

A person spends 86 %of his monthly income . If he saves 3500 per month ,what is his monthly income

Answer 1

let x be the total income.
x-86x/100= 3500
14x/100= 3500
x= 3500 * 100/14 = rs. 25000

∴ his total income is rs. 25000

Answer 2

let the money monthly income be x
A/Q
86% * x - x =3500
86/100 * x -x = 3500
7x/50 =3500
7x =3500 * 500
x = 3500 * 50 / 7
x =25000