Question 329957
.20x+.05(15-x)=.15*15
.20x+.75-.05x=2.25
.15x=2.25-.75
.15x=1.5
x=1.5/.15
x=10 liters of 20% orangw juice.
15-10=5 liters of 5% orange juice.
Proof:
.20*10+.05*5=.15*15
2+.25=2.25
2.25=2.25