Question

Sameera spent $90\%$ of her income and donated $3\%$ for socially useful causes. If she left with $Rs1750$ at the end of the month, what was her actual income?

Answer 1

Let her income be x

Spent $=\frac{90x}{100}=0.9x$

Donated $=\frac{3x}{100}=0.03x$

Left = x-0.9x -0.03x = 1750 Rs

x-0.93x = 1750 Rs

0.07x = 1750

$x=\frac{1750}{0.07}=25000$ RS