Question 421443
---------	percent	----------------	quantity		
orange drink	15----------------600
orange juice	100----------------x
Total	25	----------------	600+x
....
15*600+100*x=25(600+x)
9000+100	x=15000	+25x					
100x-25x	=15000-9000					
75x=6000									/7
/75									
x=80 ml	orange juice