Respuesta :

Answer:

a)0.5 mpm (half a mile per minute) or 30 mph (thirty miles per hour)

b)0.667 mpm (two thirds of a mile per minute) or 40 mph (forty miles per hour)

c)0.60 mpm (two thirds of a mile per minute) or 36 mph (thirty six miles per hour)

Step-by-step explanation:

a)10/20=0.5

b)20/30=0.667

c)30/50=0.6