SOLUTION: Two airplanes leave Chicago midway airport at the same time, traveling in opposite directions.One travels 25 miles per hour faster than the other. After 2 hours they are 490 miles
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Question 1110033: Two airplanes leave Chicago midway airport at the same time, traveling in opposite directions.One travels 25 miles per hour faster than the other. After 2 hours they are 490 miles apart. Find the speed of each plane.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
You can think of this as one plane flying
at the sum of their speeds and the other
plane standing still
Let = the speed of one plane in mi/hr
Let = the speed of the other plane in mi/hr
---------------------------------------------------------
and
---------------------------------------------
Their speeds are 110 mi/hr and 135 mi/hr
---------------------------------------------
check:
and
-------------------------
mi
OK
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