Answer:
20 pairs of hot pink
Explanation:
After the 14 pairs of grey and 17 pairs of black are subtracted from the order, we find there are 25 pairs of skates that can be divided into groups of 4 hot pink and 1 red. There can be 5 such groups of 5 skates, so there are ...
5 × 4 = 20 hot pink pairs of skates.
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The remainder of the order is ...
5 pairs of red
14 pairs of grey
17 pairs of black (3 more than of grey)