Question

1. which ratios from a proportion

3/15 12/22
8/24 12/35
5/18 25/90
4/11 16/25

Answer 1

Find a common multiplier.

3/15 12/22
3 * 4 = 12; 12 * 4 = 48 -- nope

5/18 25/90
5 * 5 = 25; 18 * 5 = 90 -- yep!