An organic compound weighing 500 mg, produced 220 mg of CO_2, on complete combustion. The percentage composition of carbon in the compound is ____ %.…

An organic compound weighing $\displaystyle 500$ mg , produced $\displaystyle 220$ mg of $\displaystyle \mathrm{CO}_2$, on complete combustion. The percentage composition of carbon in the compound is $\displaystyle \_\_\_\_$ %. (nearest integer) (Given molar mass in $\displaystyle \mathrm{g} \mathrm{mol}^{-1}$ of $\displaystyle \mathrm{C}: 12, \mathrm{O}: 16$ )