Question
Gabriel buys a blouse, a vest and a shirt. The average cost of these items is $67. The cost of the shirt is four times the total cost of the blouse and the vest. If the blouse costs $18, find the difference in cost between the vest and the shirt.
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Gabriel buys a blouse, a vest and a shirt. The average cost of these items is $67. The cost of the shirt is four times the total cost of the blouse and the vest. If the blouse costs $18, find the difference in cost between the vest and the shirt.