Homework Help: Math

Posted by Anonymous on Sunday, November 1, 2009 at 7:56pm.

Darren used pieces of molding 7 1/2 feet long, 2 3/4 feet long, and 7 1/2 feet long to frame a doorway. If he started with 20 feet of molding, how much was left over?

Math - Ms. Sue, Sunday, November 1, 2009 at 7:57pm
Add up what he used and subtract that sum from 20.

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