Question

a child has certain amount of chocolates he ate 35% of the chocolate but still had 13 chocolates what is the number of chocolates the child originally had ​

Answer 1

Step-by-step explanation:

let the child had X chocolates

$no. \: of \: chocolates \: he\: ate = 35\%of \: x \\ = \frac{35}{100} \times x = \frac{7x}{20} \\ no. \: of \: chocoates \: left = x - \frac{7x}{20} \\ according \: to \: condition \\ x - \frac{7x}{20} = 13 \\ 13x = 260 \\ = > x = 20 \\ so \: the \: child \: initially \: had \: 20 \: chocolates$