Question

rita spends 90% of her salary every month. if her savings are rs.900, find her salary.

Answer 1

rita spends 90% of her salary

I.e. she saves 10% of the salary

let the salary be x

10% of x = 900

x/10 = 900
x = 9000
her salary = ₹9000

Answer 2

let the total salary be x
then
10% of x = 900
x = 900×100/10
x=9000
then the answer is Rs 9000