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Mathematics, 26.03.2020 05:19 dai77

Abdoul bought 3 books. Each book was the same price. After using a $10-off coupon, the total charge was $20. Which equation can be used find 'b', the cost of each book?

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Abdoul bought 3 books. Each book was the same price. After using a $10-off coupon, the total charge...

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