x 30
30 x 1 = 30
30 x 2 = 60
30 x 3 = 90
30 x 4 = 120
30 x 5 = 150
30 x 6 = 180
30 x 7 = 210
30 x 8 = 240
30 x 9 = 270
30 x 10 = 300
30 x 11 = 330
30 x 12 = 360
30 x 13 = 390
30 x 14 = 420
30 x 15 = 450
30 x 16 = 480
30 x 17 = 510
30 x 18 = 540
30 x 19 = 570
30 x 20 = 600
