Question

there are 20 girls and 25 boys in a class a) what is the ratio of number of girls to number of boys ? b) what is the ratio of number of girls to total number of students in the class ? c) what is the ratio of number of boys to total number of students in the class?

Answer 1

A)4:5
B)4:9
C)5:9
Hope this helps!!

Answer 2

ANS(a)
Ratio of girls to boys,

Girls:Boys=20:25
Girls:Boys=4:5

Ans(b),
Total students=No.of girls+No.of boys
Total students=20+25
Total students=45

Ratio of Girls to Total students,
Girls:Total students=20:45
Girls:Total students=4:9

ans(c)
Total students=45
Boys=25

Boys:Total students=25:45
Boys:Total students=5:9

HOPE IT HELPS YOU!