A rate problem {ACT}

If John drove n miles in t hours, which of the following represents his average speed, in miles per hour?
        n
(A)  ---
        t

        t
(B)  ---
        n

         1
(C)   ----
         nt

(D.)  nt

E.)  n²t

---

"miles per hour" means divide the miles by the hours

n miles in t hours

     n
=  ---
      t

        n
A.)   ----
         t 

- Algebra House