Question 52585
.4X+.55(60-X)=60*.45 OR .4X+33-.55X=27 OR -.15X=-6 OR X=6/.15 OR X=40 LITERS OF 40% SOLUTION THEN 60-40=20 LITERS OF 55% SOLUTION ARE NEEDED TO MAKE 60 LITERS OF A 45% MIXTURE.