If a person walks 1/2 mile in each 1/4 hour at a constant speed, then what is the unit rate of miles per hour?

2 miles per hour

Step-by-step explanation:

So we would divide 0.5 with 0.25 to find the unit rate

0.5/0.25=2

2 miles per hour

the square root of what number? if you add that, then someone will probably answer the question.