SOLUTION: how many liters of a 30% acid solution should be mixed with 5 liters of a 21% acid solution to produce a 27% solution? HELP! I can't wrap my head around this one!

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: how many liters of a 30% acid solution should be mixed with 5 liters of a 21% acid solution to produce a 27% solution? HELP! I can't wrap my head around this one!      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 315931: how many liters of a 30% acid solution should be mixed with 5 liters of a 21% acid solution to produce a 27% solution?

HELP! I can't wrap my head around this one!
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
how many liters of a 30% acid solution should be mixed with 5 liters of a 21% acid solution to produce a 27% solution?
-----------------
x*0.30 + 5*0.21 = (x+5)*0.27
Take it from there.