It takes Mrs. Rice 4 hours to drive the 240 miles to visit her sister in Plano. Calculate the rate to the nearest whole mile per hour for Mrs. Rice's drive.

Given:

Time = 4 hours

Distance = 240 miles

To find:

The speed or the rate mile per hour for Mrs. Rice's drive.

Solution:

We know that,

On substituting the given values, we get

Therefore, the speed or rate is 60 mile per hour for Mrs. Rice's drive.