Steve has 25 socks. He has 4 pairs of socks that match, and all the others don't match. How many mismatching socks does Steve have altogether?
Please answer and provide answer explanation.
17
In each pair of socks there are 2 / 1 = 2 socks.

Steve has 2 * 4 = 8 matching socks.

Steve has 25 - 8 = 17 mismatching socks.

.

Therefore, the answer is 17