Respuesta :

vjaguirre123

Answer:

Photo is the answer

Step-by-step explanation:

Ver imagen vjaguirre123

Answer:

3 miles per hour

Step-by-step explanation:

If he walks 3/2 in half hour then you just have to double it to get how much he  fast he walks in one hour.

3/2 +3/2 = 6/2 = 3

3 miles per hour