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Pastimes : INTERMEDIATE ALGEBRA
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To: Don Pueblo who wrote (5)9/10/1999 8:29:00 PM
From: Nazbuster  Read Replies (4) of 96
 
As long as this is Algebra class:

Two ladders lean against opposite walls of an alley with their bases against the opposing wall. One ladder is 30 feet in length; the other is 20 feet. Where they cross in the air is 10 feet above the ground.

How wide is the alley?
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