Question

In a class, the girl to boy ratio is 9 to 9.
If there are 18 girls, how many boys are there?

Answer 1

18

Explanation:

9 to 9 is an equal ratio so if there are 18 girls there are 18 boys.

Answer 2

18 boys

Explanation:

9 to 9 ratio is the same as 1 to 1, and so the number on both sides is the same