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3 years ago

15

Please help me please and thank you

1 answer:

Marizza181 [45]3 years ago

3 0

After 0 hours the train has travelled 90 miles from the station.
After 1 hour the train has travelled 135 miles from the station.

This means the train has travelled 135 - 90 = 45 miles in 1 hour.

Therefore the correct answer is A. 45 mph, because speed is the rate of change of distance.

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