Question

In a school 10% of number of girls is equal to 1/20 of number of boys . Find the ratio between the number of boys to the number of girls .

( Please solve !!!! )​

Answer 1

Let the number of girls be 100x100x and number of boys be 100y100y

«10/100∗100x=1/20∗100y

«5y10x=5y

«y/x=2/1

To find:100y/100x=y/x

•°• 2 : 1

Answer 2

Answer:

$\huge{\underline{\underline{\mathbb{\pink{Answer:-}}}}}$

If boys= x and girls= y then

$y \times \frac{10}{100} = \frac{x}{20} = > \frac{y}{10} = \frac{x}{20}$

$= > \frac{x}{y} = \frac{20}{10 } = \frac{2}{1} = 2:1$