Question
Liam went to a stall with 3 twenty-dollar notes. He bought a bag and a mug. A bag cost 4 times as much as a mug. He received $37.50 change. How much did the mug cost?
4 m

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Liam went to a stall with 3 twenty-dollar notes. He bought a bag and a mug. A bag cost 4 times as much as a mug. He received $37.50 change. How much did the mug cost?