SOLUTION: A plane travels due east at 325 miles per hour and another plane travels due west at 275 miles per hour. If they leave at the same time, in how many hours will they be 2100 miles a
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Question 607698: A plane travels due east at 325 miles per hour and another plane travels due west at 275 miles per hour. If they leave at the same time, in how many hours will they be 2100 miles apart?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Plane 1
d = rt
d = 325t
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Plane 2
d = rt
d = 275t
===========================
Total distance = 325t + 275t = 600t
So 600t = 2100
600t = 2100
t = 2100/600
t = 3.5
So they will be 2100 miles apart in 3.5 hours
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