6
8

or
3
4

5
15

or
1
3

16
8

=
7
3.5
= 2

Oct 15, 18 11:05 AM
why the rule of 72 works math explanation of where the 72 came from.
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Oct 15, 18 11:05 AM
why the rule of 72 works math explanation of where the 72 came from.
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