Respuesta :

Answer:

The speed of Natalie in miles per hour is 1.2 mph.

Step by step explanation:

distance covered by Natalie, d = 3/5 mile

time of motion of Natalie, t = 1/2 hour

speed = distance/time

speed = 3×2/5 = 6/5

Thus, the speed of Natalie in miles per hour is 1.2 mph.