Posted by **brooke** on Sunday, November 14, 2010 at 5:05pm.

Mrs.rushford began to hike at an elevation of negative 40 feet. her elevation decreased by 90 feet in one hour what was Ms.rushford elevation after 1 hour

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**Ms. Sue**, Sunday, November 14, 2010 at 5:11pm
90 - 40 = ?

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