Question
Ethan buys a vest, a sweater and a shirt. The average cost of these items is $78. The cost of the shirt is four times the total cost of the vest and the sweater. If the vest costs $25, find the difference in cost between the sweater and the shirt.
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Ethan buys a vest, a sweater and a shirt. The average cost of these items is $78. The cost of the shirt is four times the total cost of the vest and the sweater. If the vest costs $25, find the difference in cost between the sweater and the shirt.