Question 338246
.60x+.35(60-x)=.50*60
.60x+21-.35x=30
.25x=30-21
.25x=9
x=9/.25
x=36 tons of 60% solution is used.
60-36=24 tons of 35% solution is used.
Proof:
.60*36+.35*24=.50*60
21.6+8.4=30
30=30