SOLUTION: A coffee merchant has coffee beans that sell for $9 per pound and $12 per pound. The two types are to be mixed to create 100 lb of a mixture that will sell for $11.25 per pound. Ho

Question 102920: A coffee merchant has coffee beans that sell for $9 per pound and $12 per pound. The two types are to be mixed to create 100 lb of a mixture that will sell for $11.25 per pound. How much of each type of bean should be used in the mixture?
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
12X+9(100-X)=11.25*100
12X+900-9X=1125
3X=1125-900
3X=225
X=225/3
X=75 POUNDS OF $12 COFFEE IS NEEDED.
100-75=25 POUNDS OF $9 COFFEEE IS NEEDED.
PROOF
12*75+9*25=1125
900+225=1125
1125=1125

RELATED QUESTIONS
How can I show the equation use for the solution? A coffee merchant has coffee beans... (answered by mathispowerful)

Please help. A coffee merchant has coffee beans that sell for $9 per pound and $12 per (answered by checkley71)

A coffee merchant has coffee beans that sell for $9 per pound and $12 per pound. The two... (answered by bucky)

60. Business and finance. A coffee merchant has coffee beans that sell for $9 per pound... (answered by Paul)

Business and finance. A coffee merchant has coffee beans that sell for $9 per pound and... (answered by fractalier)

Business and finance. A coffee merchant has coffee beans that sell for $9 per pound and... (answered by ankor@dixie-net.com)

) Business and finance. A coffee merchant has coffee beans that sell for $9 per pound... (answered by stanbon)

8. Business and finance. A coffee merchant has coffee beans that sell for $9 per pound... (answered by jim_thompson5910)

This is actually a word problem. A coffee merchant has coffee beans that sell for $9 per (answered by checkley71)

. A coffee merchant has coffee beans that sell for $9 per pound and $12 per pound. The... (answered by venugopalramana)