Question

A class has a ratio of 3 boys to 5 girls. If there are 135 more girls than boys, how many boys are there.

Answer 1

Answer: 405

Step-by-step explanation:

If girls are 135, 5 goes into that so you would multiply boys by 3

Answer 2

Answer:81boys

Step-by-step explanation: Firstly we can represent the no of boys as B.

Using algebra.

3/5=B/135.

We can crossmultiply, then we have

B= 81 boys