Question 102198
125x+75(100-x)=9000
125x+7500-75x=9000
50x=9000-7500
50x=1500
x=1500/50
x=30 tons of $125 hay.
100-30=70 tons of $75 hay.
proof
125*30+75*70=9000
3750+5250=9000
9000=9000