# SOLUTION: Soybean meal is 14% protein; cornmeal is 7% protein. How many pounds of each should be mixed together in to get 280-lb mixture that is 9% protein? How many pounds of the cornmea

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 Click here to see ALL problems on Money Word Problems Question 325167: Soybean meal is 14% protein; cornmeal is 7% protein. How many pounds of each should be mixed together in to get 280-lb mixture that is 9% protein? How many pounds of the cornmeal should be in the mixture? __ pounds How many pounds of the soybean meal should be in the mixture? __ poundsAnswer by stanbon(57387)   (Show Source): You can put this solution on YOUR website!Soybean meal is 14% protein; cornmeal is 7% protein. How many pounds of each should be mixed together to get 280-lb mixture that is 9% protein? ------------ Quantity Eq: S + C = 280 lb Protein Eq: 0.14S+0.07C = 0.09*280 ---------------------- Multiply thru 1st by 14 Multiply thru 2nd by 100 ----------------------- 14S + 14C = 14*280 14S + 7C = 9*280 --- Subtract and solve for "C": 7C = 5*280 C = 200 lb (amt. of cornmeal needed in the mix) --- Since S+C = 280, S = 80 lb (amt. of soybean needed in the mix) ============================================= Cheers, Stan H. ============== How many pounds of the cornmeal should be in the mixture? __ pounds How many pounds of the soybean meal should be in the mixture? __ pounds