Question 236560
.20x+.14(15-x)=.16*15
.20x+2.1-.14x=2.4
.06x=2.4-2.1
.06x=.3
x=.3/.06
x=5 L. of 20% alcohol is used.
15-5=10 L. of 14% alcohol is used.
Proof:
.20*5+.14*10=2.4
1+1.4=2.4
2.4=2.4