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Mathematics, 18.07.2019 06:00 calebhoover03

Three varieties of coffee long dash— coffee a, coffee b, and coffee c long dash— are combined and roasted, yielding a 51-lb batch of coffee beans. twice as many pounds of coffee c, which retails for $9.95 per lb, are needed as coffee a, which sells for $15.99 per lb. coffee b retails for $13.21 per lb. how many pounds of each coffee should be used in a blend that sells for $12.82 per lb?

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