<PRE><B>Question 1026383</B>
protein													
	percent	----------------			quantity								
type I	55.00%	----------------			x	pounds							
Yype II	30.00%	------	1900	-	x	pounds							
Mixture	40.00%	----------------	1900										
	1900												
55.00%	x	+	30.00%	(	1900	-	x	)	=	40.00%	*	1900	
55	x	+	30	(	1900	-	x	)	=	76000			
55	x	+	57000	-	30	x	=			76000			
55	x	-	30	x			=	76000	-	-57000			
25	x			=	19000								
/	25												
	x			=	760		pounds			55.00%		type I	
					1140		pounds			30.00%		type II	
</PRE>