SOLUTION: 2 l of 70% sugar solution was mixed with 5 l of pure water. Find the concentration of the new mixture

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: 2 l of 70% sugar solution was mixed with 5 l of pure water. Find the concentration of the new mixture      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 734769: 2 l of 70% sugar solution was mixed with 5 l of pure water. Find the concentration of the new mixture
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+.7%2A2+=+1.4+ liters of sugar in 70% solution
++1.4+%2F+%28+2%2B+5+%29+=+1.4+%2F+7+
+1.4+%2F+7+=+.2+
+.2%2A100+=+20+
The new mixture is 20% sugar