Respuesta :

49.5 MPH is the answer

4 1/2 = 9/2 miles

let speed = s

distance = d

and time = t

Formula: s = d/t

Given: d = 9/2 miles and t =1/2 hour

Solve for s:

s = d/t

s = (9/2)/(1/2)

s = 9 miles/hour

Jason can run 9 miles per hour.