Question 260097
40% * some amount of ml + 20% * (60-some amount of ml)=32% of 60 ml
.40x+.20(60-x)=.32*60
.40x+12-.20x=19.2
.20x=19.2-12
.20x=7.2
x=7.2/.20
x=36 ml of 40% solution is used.
60-36=24 ml of 20% solution is used.
Proof:
.40*36+.20*24=.32*60
14.4+4.8=19.2
19.2=19.2