State if each pair of ratios forms a proportion. 1) 4/2 and 20/6
2) 3)2 and 18/8
3) 4/3 and 16/12
4) 4/3 and 8/6
5) 12/24 and 3/4
6) 6/9 and 2/3

Solve each porpotion.

7) 10/k = 8/4
8) m/10 = 10/3
9) 2/x = 7/9
10) 3/x = 7/10
11) 4/9 = 2/x
12) 6/a = 3/8
13) SKIP
14) 7/9 = a/5
15) p/8 = 13/2
16) 3/13 = v/3
17) 10/12 = 2/n
18) 11/10 = r/11
19) x/9 = 7/14
20) a/10 = 11/14
21) v/12 = 10/2
22) 6/14 = 5/n​