Question
Sam went to a kiosk with 4 twenty-dollar notes. He bought a stapler and a notebook. A stapler cost 4 times as much as a notebook. He received $35.50 change. How much did the notebook cost?
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Sam went to a kiosk with 4 twenty-dollar notes. He bought a stapler and a notebook. A stapler cost 4 times as much as a notebook. He received $35.50 change. How much did the notebook cost?