Posted by Deja on Friday, July 23, 2010 at 9:34am.
How many liters of 20% alcohol solution should Maria mix with 50 liters of a 60% alcohol solution to obtain a 30% solution?

algebra  bobpursley, Friday, July 23, 2010 at 10:29am
ok, in the 50 liters, you get 30 liters of alcohol content. In the final mixture, you want 30 percent, so
.30(V+50)=30+.2V
check that. solve for V, the volume of 20percent.

algebra  Deja, Saturday, July 31, 2010 at 11:48am
Perfect thx!!
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