0
Anonymous
This is a two-step sequence.
when n is even, tn = 4*tn-1
and when n is odd, tn = tn-1 + 1
Wiki User
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It is: 20/84 = 5/21 in its simplest form
21
20 x 84 = 1680 20% of 84 is 16.8
21% of 25= 21% * 25= 0.21 * 25= 5.25
12^20