Question

Find a ratio equivalent to each ratio ` then use the ratios to write a proportion *

1) 22 / 30
2) 7 / 9
3) 18 / 54
4) 10 / 17

Answer 1

22/30 = 11/15
7/9 = 14/18
18/54 = 1/3
10/17 = 20/34

A proportion can be set up by using the general formula:
a/b = c/d
ad = bc