Question 984442
Bad example problem, because wine does not occur at any such 70% or 80% alcohol.


Ignoring the physical fault, the method you want is here:
<a href="http://www.algebra.com/my/drain-and-replace-antifreeze.lesson?content_action=show_dev">http://www.algebra.com/my/drain-and-replace-antifreeze.lesson?content_action=show_dev</a>