Question

There are 33 students in a school chorus. The ratio of boys to girls is 5:6 How many girls are in the school chorus?

Answer 1

the answer is 39.6 because if you divide 33 by 5 you get 6.6 and if you multiply 6.6 by 6 you get 39.

Answer 2

First you add the ratio
5+6=11
Then divide the number of boys by the product of the ratio so you do
33/11=3
3 x 7= 35
There are 35 girls and 15 boys
Answer is 35