SOLUTION: A company wants to mix peanuts, which contain 20% protein, and cashews, which contain 30% protein, to make a trail mix. Suppose the company wants to make 2000 pounds of trail mix

Question 360419: A company wants to mix peanuts, which contain 20% protein, and cashews, which contain 30% protein, to make a trail mix. Suppose the company wants to make 2000 pounds of trail mix that contains 27% protein. How many pounds of cashews must be used?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi,

Let x represent the amount of cashews , then (2000lb-x) will be the amount of peanuts

write as we read***

.20(2000lb - x) + .30x = .27(2000lb)

solve

.10x = .07*2000lb

x = 1400lb of cashews need to be used



checking our answer

120lb + 420lb = 540lb 

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