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A manufacturer needs to make 16 oz. of an alloy containing 56% nickel. He is going to melt and combine metal x which is 60% nickel with metal y which is 52% nickel. How much of each should he use?

A. 11 oz. of 60% nickel, 5 oz. of 52% nickel

B. 9 oz. of 60% nickel, 7 oz. of 52% nickel

C. 4 oz. of 60% nickel, 12 oz. of 52% nickel

D8 oz. of 60% nickel, 8 oz. of 52% nickel

E13 oz. of 60% nickel, 3 oz. of 52% nickel