Question

What percentage of $3$ kg is $500$ gm.

Answer 1

Let $x\%$ of $3$ kg is $500$ gm $=\frac{1}{2}$ kg.

Then,

$\frac{3x}{100}=\frac{1}{2}$

or, $x=\frac{50}{3}$

or, $x=16\frac{2}{3}$.

So $16\frac{2}{3}\%$ of $3$ kg is $500$ gm.