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May 6, 2015

Homework Help: Math - Averages

Posted by Venus on Friday, September 13, 2013 at 11:38am.

Six dogs have an average(arithmetic mean) weight of 55 pounds. If the heaviest dog weighs 100 pounds, the lightest dog weighs 5 pounds, and the second-lightest dog weighs 30 pounds, what is the average weight of the other 3 dogs in pounds?

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