SOLUTION: 2 planes fly at 200 mph and 260 mph between two cities. The first plane takes 1.5 hours longer. How far apart are the cities?

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Question 1054207: 2 planes fly at 200 mph and 260 mph between two cities. The first plane takes 1.5 hours longer. How far apart are the cities?
Answer by ikleyn(52802)   (Show Source): You can put this solution on YOUR website!
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2 planes fly at 200 mph and 260 mph between two cities. The first plane takes 1.5 hours longer. How far apart are the cities?
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Your "distance" equation is

200*(t+1.5) = 260*t,  where t is the flight time for faster plane.

Solve:

200t + 300 = 260t  --->  60t = 300  --->  t =  = 5 hours.

The distance is D = 260*5 = 1300 miles.

Answer. 1300 miles.


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