Mike took clothes to the cleaners three times last month. First, he brought 3 shirts and 1 pair of slacks and paid
$13.46. Then he brought 7 shirts, 3 pairs of slacks, and 1 sports coat and paid $43.39. Finally, he brought 5 shirts
and 2 sports coats and paid $28.43. How much was he charged for each shirt, each pair of slacks, and each
sports coat?
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