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Which expression can be used to determine the total weight of c crabs that weigh 6.2 ounces each and s shrimp that weigh 0.85 ounces each?
A 7.05(c+s)

B 6.2c+0.85s

C 0.85cāˆ’6.2c

D 6.2cāˆ’0.85s