Question

The distance from Boston, Massachusetts to Little Rock, Arkansas is 1,452.8 miles. How many ft/min would you have to drive to get there in 20 hours and 45 minutes?

Answer 1

First we find the speed in mi/h.

We know that 20 h 45 min is equal to 20.75 hours, then the speed is

$\frac{1452.8\text{ mi}}{20.75\text{ h}}=70.01\text{ mi/h}$

Now we convert the speed to ft/min:

$70.01\text{ mi/h}\cdot\frac{1\text{ h}}{60\text{ min}}\cdot\frac{5280\text{ ft}}{1\text{ mi}}=6161.27\text{ ft/min}$

Therefore you would have to drive at a speed of 6161.27 ft/min