Question 635070
	percent	----------------			quantity								
Alloy I	40	----------------			x	Kg							
Alloy II	30	------	20	-	x	Kg							
Mixture	36	----------------	20										
													
40x+30	(20-x)=	36*20	
4000x+	3000(20	-x)=	72000			
4000x+	60000-3000x=	72000			
4000x-	3000x=72000-60000			
1000	x			=	12000								
/	1000												
	x			=	12		Kg			40.00%		Alloy I	
					8		Kg			30.00%		Alloy II	
													
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