Question 97810
.08*15=.06h+.12(15-h)
1.2=.06h+1.8-.12h
.12-.06h=1.8-1.2
.06h=.6
h=.6/.06
h=10 pounds of hay.
15-10=5 pounds of grain.
proof
.08*15=.06*10+.12*5
1.2=.6+.6
1.2=1.2