Question
A dress cost $7 more than a sweater but $15 less than a jacket. If the total cost of the dress, the sweater and the jacket is $a, find the cost of the sweater in terms of a.
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A dress cost $7 more than a sweater but $15 less than a jacket. If the total cost of the dress, the sweater and the jacket is $a, find the cost of the sweater in terms of a.