SOLUTION: A coffee company purchases mixed lots of coffee beans and then grades them into premium,regular,and unusable beans the company needs at least 280 tons of premium-grade and 200 tons
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Question 1062650: A coffee company purchases mixed lots of coffee beans and then grades them into premium,regular,and unusable beans the company needs at least 280 tons of premium-grade and 200 tons of regular-grade coffee beans.The company can purchase ungraded coffee from two suppliers in any amount desired samples from the two suppliers contain the following percentages of premium regular, and unusable beans: Supplier A; premium = 20% , regular= 50% and unusable 30% and supplier B; premium 40% , regular 20% and unusable 40%? Answer by ikleyn(52781) (Show Source):
