Close-up green coffee beans roasting in air. Roasting coffee beans at home. Home type coffee bean roasting machine. Sample coffee roaster. Slow motion.

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4 types of coffee beans every enthusiast should know about

A coffee manufacturer is interested in blending three types of coffee beans into 10,000 pounds of a final coffee blend. The three component beans cost 2.40,2.60, and 2.00 per pound, respectively. The manufacturer wants to blend the 10,000 pounds at a total cost of21,000. In blending the coffee, one restriction is that the amounts used of component beans 1 and 2 be the same. Determine whether there is a combination of the three types of beans which will lead to a final blend of 19,000 pounds cost