12/2 = 6
So that would be 6 each.
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There are 10 ways that 12 one-dollar coins can be shared between 3 people if each gets at least 3.
There are 10 ways that 12 one-dollar coins can be shared between 3 people if each gets at least 3.
The easiest way that I know to do this is to factor each number, drop out the factors that are shared, and multiply the factors that are left. 11 is prime already. 22 = 2 X 11 12 = 2 X 2 X 3 Drop out one of the 11's because it is shared. Drop out a 2 that is shared. What is left is: 11 X 2 X 2 X 3 = 132 Test to make sure it is right. 132 / 11 = 12 132/22 = 6 132/12 = 11 It checks out ok, so give the final answer. Answer: 132
It is (12 + 13)/2 = 25/2 = 12.5 or 12½
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