Laura's chocolate store is famous for its "Chocnut", a unique mix of chocolate and nuts. A Supreme box of Chocnut has  pounds of chocolate and  pounds of nuts. A Deluxe box has  pounds of chocolate and  pounds of nuts. John bought 2 Supreme boxes and 2 Deluxe boxes of Chocnut. What is the total weight of his purchase?

A. 35 lb
B. 31 lb
C. 17 lb
D. 21 lb


Answer: B

Mathematics

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