Question
At a shop, Opal paid $40 for 9 items: 4 pens and 5 stickers. 1 pen cost $1 more than 1 sticker. How much did 1 pen cost?
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At a shop, Opal paid $40 for 9 items: 4 pens and 5 stickers. 1 pen cost $1 more than 1 sticker. How much did 1 pen cost?