SOLUTION: An airplane 30,100 feet above the ground begins descending at the rae of 2,150 feet per minute. Write and solve a linear equation to find how long it will take the plane to reach t

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Question 385927: An airplane 30,100 feet above the ground begins descending at the rae of 2,150 feet per minute. Write and solve a linear equation to find how long it will take the plane to reach the ground. (Use y=mx+b)
Answer by Alan3354(69443) About Me  (Show Source):
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An airplane 30,100 feet above the ground begins descending at the rae of 2,150 feet per minute. Write and solve a linear equation to find how long it will take the plane to reach the ground. (Use y=mx+b)
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h(t) = 30100 - 2150t, h in feet, t in minutes
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At the ground, h= 0
30100 - 2150t = 0
30100 = 2150t
t = 30100/2150
t = 14 minutes
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