Question
Michael buys a coat, a sweater and a skirt. The average cost of these items is $87. The cost of the skirt is four times the total cost of the coat and the sweater. If the coat costs $14, find the difference in cost between the sweater and the skirt.
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Michael buys a coat, a sweater and a skirt. The average cost of these items is $87. The cost of the skirt is four times the total cost of the coat and the sweater. If the coat costs $14, find the difference in cost between the sweater and the skirt.