SOLUTION: a store mixes kenyan coffee worth $12 per kilogram and Venezuelan coffee worth $16 per kilogram. The mixture is to sell for $13 per kilogram. Find how much of each should be used t
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Question 433235: a store mixes kenyan coffee worth $12 per kilogram and Venezuelan coffee worth $16 per kilogram. The mixture is to sell for $13 per kilogram. Find how much of each should be used to make a 324-kilogram mixture.
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
If you've got 324 kilos at $13 a kilo, then your total is $4212:
---------------------------
x+y=324
12x+16y=4212
======================
12x+16y=4212
12x+12y=3888
--------------
''''4y=324
y=81
x=243
Therefore you need to mix 243 kilos of kenyan coffee with 81 kilos of Venezuelan coffee to get 324 kilos of mixed coffee worth $13 a kilo.
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