Kelly sells 52 subscriptions every 72 days, therefore,
216 / 72 = 3.
52 * 3 = 156
Kelly sells 156 subscriptions every 216 days
Answer:
a=7
Step-by-step explanation:
or
if accepted:
The answer is 2.4 Miles per hour
15.12 divided by 6.3= 2.4 MPH