Question

If 8.5% of a number is 51, then find the number.

Answer 1

Let the required number be x.
$\therefore 8.5\%ofx=51$
$or\frac{85}{10}\%ofx=51or\frac{85}{10}\times \frac{1}{100}\times x=51orx=\frac{51\times 100\times 10}{85}=3\times 100\times 2=600\text{Thus 8.5\% of 600 is 51.}$