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The cost of oil decreased by 9% per barrel. If the cost was $72 per barrel, by how much was the cost decreased per barrel?
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The cost of oil decreased by 9% per barrel. If the cost was $72 per barrel, by how much was the cost decreased per barrel?

User Xizor
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1 Answer

10 votes

Answer:

6.48

Explanation:

User Shizzle
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