Question

A plane left Chicago at 8 A.M. At 12 P.M., the plane landed in Los Angeles, which is 1,700 miles away.

If the plane travels at a constant rate, how many miles did it travel per hour?

Answer 1

first find the amount of time:
12 pm - 8 am = 4 hours

now divide the total miles traveled by the amount of time travleed:

1700 miles / 4 hours = 425 miles per hour