From a group of 6 girls and 7 boys, how many 5-member committees consist of: members of the same gender?

27 5-member committees consist of members of the same gender

Step-by-step explanation:

The order in which the members are chosen to the group is not important, so we use the combinations formula to solve this question.

Combinations formula:

is the number of different combinations of x objects from a set of n elements, given by the following formula.

All girls:

5 girls from a set of 6. So

All boys:

5 boys from a set of 7. So

Total:

Either all girls or all boys.

6 + 21 = 27

27 5-member committees consist of members of the same gender

answer: i'm not sure

step-by-step explanation:

this is answer of 144 cubic meters