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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?

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dannyarabooqq9tq dannyarabooqq9tq

24-09-2017

360÷15×2=48hrs of the express train.

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