Question
Riordan went to a boutique with 3 twenty-dollar notes. He bought a shirt and a mug. A shirt cost 3 times as much as a mug. He received $35.20 change. How much did the mug cost?
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Riordan went to a boutique with 3 twenty-dollar notes. He bought a shirt and a mug. A shirt cost 3 times as much as a mug. He received $35.20 change. How much did the mug cost?