Question

A class of 45 students . The class of girls to boys is 2:7 . How many girls are in the class ?

Answer 1

10 girls

Explanation:

Girls | Boys Total

2 : 7 = 9

4 : 14 = 18

6 : 21 = 27

8 : 28 = 36

10 : 35 = 45 <—

Answer 2

10

Explanation:

2*5:7*5 =10:35

10+35=45