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April 26, 2015

Homework Help: Algebra 2

Posted by newt on Monday, September 28, 2009 at 10:56am.

A commercial freight carrier is flying at a constant speed of 400 mi/h
and is traveling 4 miles east for every 3 miles north. A private plane is
observed to be 210 miles east of the commercial carrier, traveling 12
miles north for every 5 miles west.

a. If it is known that the two planes are on a collision course, how fast
is the private plane flying?

b. When will the collision take place if it is not averted?

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