Question

If 15% of a number is 45.Find the number.

Answer 1

$let \: the \: number \: be \: n \\ \\ according \: to \: question \\ \\ 15\%ofn \: = 45 \\ \frac{15}{100} \times n = 45 \\ \\ n = \frac{45 \times 100}{15} = 300$