Three varieties of coffee-Coffee A, Coffee B, and Coffee C-are combined and roasted, yielding a 53-lb batch of coffee beans. Twice as many pounds of Coffee C, which retails for $10.39
per lb, are needed as Coffee A, which sells for $15.37 per lb. Coffee B retails for $13.99 per lb. How many pounds of each coffee should be used in a blend that sells for $13.34 per lb?
Should be used Ib. of Coffee A, Ib. of Coffee B and Ib. of Coffee C. (Round to two decimal places as needed.)