Problema Solution
A store mixes Kenyan coffee worth $11 per kilogram and Venezuelan coffee worth $13 kilogram. The mixture is to sell for $12 per kilogram. Find how much of each should be used to make a 576-kilogram mixture.
Answer provided by our tutors
let
k = kg of the Kenyan coffee
v = kg of the Venezuelan coffee
the mixture has 576 kg
k + v = 576
The mixture is to sell for $12 per kilogram
11k + 13v = 12*576
by solving the system of equations
k + v = 576
11k + 13v = 12*576
we find
k = 288 kg
v = 288 kg
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288 kg of each should be used to make a 576-kilogram mixture.