document.write( "Question 673856: Suppose an elevator is 400 feet above the ground. It descends at a steady rate. After 15 seconds it is 250 feet above the ground.
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Algebra.Com's Answer #418908 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "Suppose an elevator is 400 feet above the ground. It descends at a steady rate. After 15 seconds it is 250 feet above the ground.
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document.write( "(0,400)
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document.write( "(15,250)  m = 150/-15 = -10
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document.write( " y = -10x + 400 \n" );
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