Question

A school has 4 different after-school activities planned in the fall. Janet has time to participate in 2 of these activities. How many different pairs of after-school activities can Janet choose from the available activities?

Answer 1

6 is the answer to this question

Answer 2

6

Explanation:

Think of the activities as numbers 1, 2, 3, 4. Since she can only do two, here are all the combinations: 1 and 2, 1 and 3, 1 and 4, 2 and 3, 2 and 4, 3 and 4.

That is 6 different combinations in total.