Option A. 1 mile per minute.
Step-by-step explanation:
Brandon has traveled after the specified period of time. The table shows his covered distance in a specific time.
Minutes   0   5   10   15   20   25
Miles     0   3    7    12    17    21
In this question we have to calculate speed per minute in between 15 and 20 minutes.
As we can see in the table from 15 to 20 minutes, he traveled :
17 - 12 = 5 miles  Time taken = 20 - 15 = 5 minutes
Speed = ![\frac{distance}{time}](/tpl/images/0472/8743/75e70.png)
S = Â
= 1 mile per minute.
Option A) 1 mile per minute