4 years ago

90 students. If ratio of girls to boy is 7 to 3 how many boys are in the class

Mathematics

2 answers:

Liono4ka [1.6K]4 years ago

8 0

There are 27 boys in the class

MakcuM [25]4 years ago

4 0

7 girls, 3 boys
7+3=10
For every 10 students, there are 3 boys
In 90 students there are 9 groups of 10 students.
Each group has 3 boys.
ANSWER Boys in 9 groups: 3*9=27

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