SOLUTION: seven and one half liter of 90% alcohol was mixed to 5 liter of 70% alcohol . what is the ratio of 90% to 70% alcohol in the mixture?

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: seven and one half liter of 90% alcohol was mixed to 5 liter of 70% alcohol . what is the ratio of 90% to 70% alcohol in the mixture?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 903404: seven and one half liter of 90% alcohol was mixed to 5 liter of 70% alcohol .
what is the ratio of 90% to 70% alcohol in the mixture?

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
seven and one half liter of 90% alcohol was mixed to 5 liter of 70% alcohol .
what is the ratio of 90% to 70% alcohol in the mixture?
-------------------
0.9(7.5) = 6.75 liters of alcohol
-------
0.70(5) = 3.5 liters of alcohol
----
ratio = 6.75:3.5
-------------------
Cheers,
Stan H.