Question 447921
	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
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