Question
Perry went to a kiosk with 4 ten-dollar notes. He bought a cap and a notebook. A cap cost 4 times as much as a notebook. He received $37.50 change. How much did the notebook cost?
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Perry went to a kiosk with 4 ten-dollar notes. He bought a cap and a notebook. A cap cost 4 times as much as a notebook. He received $37.50 change. How much did the notebook cost?