SOLUTION: A train travels 80 mi in the same time that a light plane can travel 280 mi. If the speed of the plane is 100 mi/h faster than that of the train, find each of the rates.

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Question 964326: A train travels 80 mi in the same time that a light plane can travel 280 mi. If the speed of the plane is 100 mi/h faster than that of the train, find each of the rates.
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
80mi%2F280mi=x%2F%28x%2B100%29
80x%2B8000=280x
8000=200x
40=x
ANSWER 1: The rate of the train is 40 mi/hr.
40mph+100mph=140mph
ANSWER 2: The rate of the plane was 140 mi/hr.