Question

The number of boys and girls in a class are in the ratio 5 is to 3 if the number of girls is 20 less than the number of boys then the number of girls is

Answer 1

Answer:

let the girl and boys be 5x and 3x

boys are 20 than girls

therefore 5x=3x+20

2x=20

x=10

then we substitute that

if x is 10 then,

girls = 3x =30

and boys = 5x= 50