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# A group of 20 dogs are at the dog park. Fourteen of the dogs have an average weight of 45 pounds. The remaining dogs have an average weight of 20 pounds. What is the average weight of all 20 dogs?

$\frac{14*45+6*20}{20}$ $= 37.5$ In short, the average weight of all 20 dogs is 37.5 pounds. Hope this helps ! Photon