Puzzle 80 - Fruit baskets

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A fruit dealer packages pears in two different box sizes. One size holds 5 pears and the other size holds 12 pears. The dealer sold 68 pears in one of the stores in one hour. He said to his assistant, “You don’t see that very often. We sold the same number of boxes of each type of packaging.” How many boxes of each size did they sell in one hour?

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