Question 54769
.25X+.40(50-X)=50*.30
.25X+20-.40X=15
-.15X=15-20
-.15X=-5
X=-5/-.15 [CORRECTION I USED .25 INSTEAD OF .15 - SORRY]
X=33.33 L OF 25% ALCOHOL &
50-33.33=16.67 L OF 40% ALCOHOL ARE USED TO CREATE A MIX OF 50 L WITH 30% ALCOHOL.