math
posted by Catherine .
A store mixes Kenyan Coffee worth $11 per Kilogram and venezuelan coffee worth $14 per Kilogram. The mixture is to sell for $12 per kilogram. Find out how much of each should be used to make a 396Kilogram Mixture

Work with the total dollar value of the coffees.
Let K be the amount of Kenyan coffee
V is the Venezuelan coffee
K+V=396
11K + 14(396K) = 12*396
11K + 14*396  14K = 12*396
3K = 2*396 = 792
K = 264
V = 132
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