Question 423336
	percent	----------------	quantity		
drink	12	----------------	1000
juice	100	----------------	x
Total	50	----------------	1000+x
...
12*1000+	100*x=50	(1000+x)
12000+100x=50000	+50x					
100x-50x	=50000-12000					
50x=38000
/50
x=760  ml