SOLUTION: if a train travels 100km in the same time that a plane covers 450 km. If the speed of the plane is 40 km per hr less than 5 times the speed of the train, find both speeds.
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Question 903495: if a train travels 100km in the same time that a plane covers 450 km. If the speed of the plane is 40 km per hr less than 5 times the speed of the train, find both speeds. Answer by josgarithmetic(39618) (Show Source):
You can put this solution on YOUR website! ____________________rate___________time___________distance
TRAIN________________r______________t_______________100
PLANE______________5r-40____________t_______________450
RT=D;
Form two equations from the information.
Solve r and t.
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