Steve drove at a constant rate to the beach for a vacation. In the equation below, t is the time in hours it took Steve to drive to the beach.

70t = 490

What is the unit rate in the equation above?
A.
7 miles per hour
B.
420 miles per hour
C.
70 miles per hour
D.
490 miles per hour

A. 7 miles per hour

To find the unit rate, we divide the total distance by the total time. In this case, 490 miles divided by t hours equals 70 miles per hour.