What is the average speed of a train that travels 1200 in 15 hours?

We know that the train can travel 1200 miles in 15 hours.

For us two find out how much it can travel in 1 hour, we need to divide

1200 by 15 which will equal to 80.

So now we know that the train travels 80 miles per 1 hour.

Check:

We can check that to prove this answer by multiplying 80 by 15.

As a result we get 1200, which proves that 80 is the correct answer.

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d.7.5cm is your answer