Question

The ratio of boy to girls in a class is 3 : 2. there are 15 boys in the class. how many total boys and girls are in the class?

a.15
b.23
c.25
d.35

Answer 1

the answer is c. 25

expalnation: A 3:2 ratio can be used in a proportion.

3/2=15/girls, girls =15*2÷3=10.

10÷15=25

Answer 2

c is the answer to that