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OpenStudy (anonymous):
The average speed of one airplane is 200 mph faster than that of an automobile. If the automobile starts at 3 a.m. and the airplane starts from the same place at 11 a.m., they will have traveled the same number of miles by 1:00 p.m. If r represents the rate of the automobile, how many miles does the plane travel? i got 200r?
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OpenStudy (anonymous):
no its not.
OpenStudy (saifoo.khan):
OIC, sorry!
OpenStudy (anonymous):
no worries
OpenStudy (anonymous):
The rate of the plane is r + 200 To find the distance you take rate times time The plane flies for 2 hours The distance is then 2(r + 200) = 2r + 400
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