SOLUTION: coffee grounds inc has two limds of coffee. Coffee A costs $9 per kg and coffee B costs $6 per kg. how many kilograms of each should be combined to obtain 150 kg of a blend worth $
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Question 447921:  coffee grounds inc has two limds of coffee. Coffee A costs $9 per kg and coffee B costs $6 per kg. how many kilograms of each should be combined to obtain 150 kg of a blend worth $8 per kg
 
Answer by mananth(16946)   (Show Source): You can put this solution on YOUR website!
 	cost	----------------	quantity							
Coffee A	6	----------------x lb						
Coffee B	9	----------------150-x lb						
Total	8.00%	----------------	150									
												
6x+9(150-x)=8*150
												
6x+1350	-9x=1200		
6x-9x=1200-1350		
-3x=-150							
/-3										
x=50 lb	$6.00	
100	lb $9
m.ananth@hotmail.ca		
 
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