Question

Rama spends $Rs.450$ per month. If this is $90\%$ of her total pocket money, find her pocket money.

Answer 1

According to the problem:

let $n$ be the rama pocket money, then,

$\frac{90}{100}\times n=450$

$n=450\times \frac{100}{90}=544$

hence the rama pocket money is RS $544$