Answer:
D
Step-by-step explanation:
in order to see how much change Kenny would get back we would need to find out the cost of 4 tickets at $3 each
4 x 3 = 12
$12 for 4 tickets
then we subtract 12 from 20 to see how much Kenny gets back in change
20 - 12 = 8
he gets $8 back following the steps we took
