Raul had $87 to spare so he decided to go to the bookshop. Raul bought 8 comics, each of which cost $4. How much money does Raul have left? Give me reasons, before answering the question
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He spent 8 comics × $4 / comic = $32 on comics. Raul has $87 - $32 = $55 left. So the final answer is 55.
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