Answer:
15 possible combinations
Step-by-step explanation:
Given
Required
Determine the possible number of combinations
The question emphasizes on "selection" which means "combination".
So; To answer this question, we apply the following combination formula:
In this case:
The formula becomes:
<em>Hence, there are 15 possible combinations</em>
Less
4 out of 12 pieces
vs
4 out of 6 pieces