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March 4, 2015

Homework Help: math (altitude)

Posted by anonymous on Saturday, September 22, 2007 at 10:06am.

An airplane flying at an altitude of 31,000 feet descends at a rate of 1,200 feet per minute. If the plane descends for 15 minutes, what would its altitude be in feet?: *
13,000
23,000
18,000
21,000

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