How many pints of each 2 percent and 7 percent acid solutions must be mixed to obtain 50 pints of a 5 percent solution? A Video response to the question from Socratic.org.
File can be downloaded here (Dropbox Folder).
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How many pints of each 2 percent and 7 percent acid solutions must be mixed to obtain 50 pints of a 5 percent solution? A Video response to the question from Socratic.org.
File can be downloaded here (Dropbox Folder).
Related
Perpetual Motion of Thought 