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  • 18-04-2017
  • Mathematics
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the average speed of an express train is 15 mi/h faster than the average speed of a local train 2 hours longer than the express train to cover 360 miles. what is the average speed of the express train?

PLEASE HELP!!!!

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  • 24-09-2017
360÷15×2=48hrs of the express train.
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