Question

on the highway sue drives at a rate of 65 miles per hour. how many feet per hour does sue drive

Answer 1

In one mile there is 5280 foot, or

$1\text{ miles per hour =5280 foot per hour}$

Determine rate of travell in terms of foot per hour.

$\begin{gathered} 65\text{ miles per hour=5280}\times65\text{ foot per hour} \\ =343200\text{ foot per hour} \end{gathered}$

So, Sue drives at the rate of 343200 foot per hour.