SOLUTION: Sean has 3 pounds of a mixture containing 45% columbian coffee and the rest Kenyan coffee. He wants to adjust the blend to have 27% Kenyan coffee. If he can add a mixture which co

Question 1137393: Sean has 3 pounds of a mixture containing 45% columbian coffee and the rest Kenyan coffee. He wants to adjust the blend to have 27% Kenyan coffee. If he can add a mixture which contains 15% Kenyan coffee. How much should he add?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
3 pounds of 55% Kenyan coffee
x pounds of 15% Kenyan coffee
x+3 pounds of 27% Kenyan, mixture

Using the percents in their decimal form,
and accounting for the AMOUNT of the Kenyan coffee,
Kenyan coffee of the two parts = Kenyan coffee in the mixture

--------------the amount of the 15% Kenyan coffee blend
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