Question
Henry buys a vest, a sweater and a coat. The average cost of these items is $86. The cost of the coat is four times the total cost of the vest and the sweater. If the vest costs $10, find the difference in cost between the sweater and the coat.
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Henry buys a vest, a sweater and a coat. The average cost of these items is $86. The cost of the coat is four times the total cost of the vest and the sweater. If the vest costs $10, find the difference in cost between the sweater and the coat.