20s Flashcards
1
Q
20 x 2
A
40
2
Q
20 x 3
A
60
3
Q
20 x 4
A
80
4
Q
20 x 5
A
100
5
Q
20 x 6
A
120
6
Q
20 x 10
A
200
7
Q
2 x 20
A
40
8
Q
3 x 20
A
60
9
Q
4 x 20
A
80
10
Q
5 x 20
A
100
