SOLUTION: It took a plane 2 hours to make a trip with the head wind and 1.5 hours to get back with the tail wind. If the speed of the wind was 30mph, how far apart are the two cities?
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Question 1001296: It took a plane 2 hours to make a trip with the head wind and 1.5 hours to get back with the tail wind. If the speed of the wind was 30mph, how far apart are the two cities? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! It took a plane 2 hours to make a trip with the head wind and 1.5 hours to get back with the tail wind. If the speed of the wind was 30mph, how far apart are the two cities?
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a = plane's airspeed
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d = r*t = (a-30)*2 = (a+30)*1.5
2a - 60 = 1.5a + 45
a = 210 mi/hr
d = (210-30)*2
d = 360 miles
