Problema Solution
A store mixes Brazilian coffee worth $12 per kilogram and Venezuelan coffee worth $14 per kilogram.the mixture is to sell for 13 dollars per kilogram. Find how much of each should be used to make a 216 kilogram mixture.
Answer provided by our tutors
let
b = kg of Brazilian coffee
v = kg of Venezuelan coffee
we meed to make a 216 kilogram mixture:
b + v = 216
the mixture is to sell for 13 dollars per kilogram:
12b + 14v = 13*216
by solving the system of equations:
b + v = 216
12b + 14v = 13*216
we find:
b = 108 kg
v = 108 kg
click here to see the step by step solution of the system of equations:
108 kg Brazilian coffee should be mixed with 108 kg Venezuelan coffee.