Question
Henry went to a stall with 4 ten-dollar notes. He bought a stapler and a pillow. A stapler cost 2 times as much as a pillow. He received $36.10 change. How much did the pillow cost?
4 m

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Henry went to a stall with 4 ten-dollar notes. He bought a stapler and a pillow. A stapler cost 2 times as much as a pillow. He received $36.10 change. How much did the pillow cost?