multiply by 2
2 x 4 =
8
3 x 3 =
9
4 x 3 =
12
5 x 3 =
15
10 / 2 =m
m = 5
3 x 2 =
6
3 x 5 =
15
4 x 4 =
16
5 x 2 =
10
5 x c = 40
c = 8
2 x 8 =
16
3 x 6 =
18
4 x 6 =
24
5 x 4 =
20
21 / h = 3
h = 7
2 x 7 =
14
3 x 8 =
24
4 x 7 =
28
5 x 5 =
25
10 x n = 60
n = 6
2 x 9 =
18
3 x 9 =
27
4 x 9 =
36
5 x 9 =
45
32 / 8 = n
n = 4