How many groups of four shirts can you choose from six shirts? determine if the word problem is a permutation or a combination, then evaluate.

Combination and 15!

Good luck studying and have an awesome rest of your week <3

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.

my guess would be b and d, but i didn’t actually get out the pen and paper. lol