7 and 3
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Looks like 57: 12+9=21, +9=30, +9=39, +9=48, +9=57.
21/30 x 100 = 70. Therefore, 21 is 70 percent of 30.
0.7
21
0.21 If you want to find what goes into 21 100 times evenly all you have to do is divide 21 by 100.