SOLUTION: a store mixes Kenyan coffee worth $11 per kilogram and Venezuelan coffee worth $13 per kilogram. The mixture is to sell for $12 per kilogram. Find how much of each should be used t
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Question 347271: a store mixes Kenyan coffee worth $11 per kilogram and Venezuelan coffee worth $13 per kilogram. The mixture is to sell for $12 per kilogram. Find how much of each should be used to make a 336-kilogram mixture.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
13x+11(336-x)=336*12
13x+3,696-11x=4,032
2x=4,032-3,696
2x=336
x=336/2
x=168 kilograms of $13 coffee.
336-168=168 kilograms of $11 coffee.
Proof:
13*168+11*168=336*12
2,184+1,848=4,032
4,032=4,032
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