SOLUTION: a cargo plane and a private jet leaves at the same time from the same airport, traveling in opposite directions. the jet travels at twice the speed of the cargo plane. they are 240

Question 923430: a cargo plane and a private jet leaves at the same time from the same airport, traveling in opposite directions. the jet travels at twice the speed of the cargo plane. they are 2400 mi apart in 4 hours. find the speed of the cargo plane and jet
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
s = d/t
c + j = d/t
c + j = 2400/4
j = 2c
c + 2c = 2400/4
3c = 600
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answer:
c = 200 mph
j = 400 mph
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