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Khan Academy · Thursday · 12 min

Advanced ratio problems

More advanced ratio problems More free lessons at: http://www.khanacademy.org/video?v=PASSD2OcU0c Uploaded 03-03-07 Learn more about your ad choices. Visit megaphone.fm/adchoices

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More advanced ratio problems
More free lessons at: http://www.khanacademy.org/video?v=PASSD2OcU0c

Uploaded 03-03-07

Learn more about your ad choices. Visit megaphone.fm/adchoices

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