1, 2, and 4
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∙ 11y ago16 + 12 = 28
1, 2, and 4
16 (16+12=28)
16 and 12
-12+28 = 16
16+12=28
Simply add the two numbers. 28 is 12 more than 16.
It is the middle value of: 12 16 28 76 and 89 which is 28
28
12 and 16
12.
1st = 12 then 16 20 24 28 32 36 40 44 so 10th = 48