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April 20, 2014

Homework Help: Math

Posted by Carla on Friday, November 25, 2011 at 6:58pm.

The strength S of a rectangular beam varies jointly as its width w and the square of its thickness t. If a wood beam 3 inches wide and 5 inches thick supports 300 pounds, how much can a similar beam 3 inches wide and 8 inches thick support?
S=? pounds

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