A pair of brown or black sandals is available in sizes 7, 8, or 9. If the shoe salesman chooses a random pair of those sandals, what is the probability he will choose the black sandals in size 8?

It is a 1/3 chance that he will pick size 8.

Step-by-step explanation:

I know that there are 3 sizes, and only one of the sizes is 8, so 1 out of the 3 pairs, or 1/3.

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right