SOLUTION: suppose two trains leave a station at the same time, traveling in opposite directions. one train travels 20 mph faster than the other. in 4.5 hours, the trains are 486 miles apart.

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Question 839518: suppose two trains leave a station at the same time, traveling in opposite directions. one train travels 20 mph faster than the other. in 4.5 hours, the trains are 486 miles apart. find the speed of each train
Answer by Alan3354(69443) About Me  (Show Source):
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suppose two trains leave a station at the same time, traveling in opposite directions. one train travels 20 mph faster than the other. in 4.5 hours, the trains are 486 miles apart. find the speed of each train
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Their speeds are added.
The sum of the speeds is 486/4.5 mi/hr = 108 mi/hr