Answer:
Okay I will do this in two orders cause I do not understand if the shirt cost 20 dollars each or all together
Explanation:
1. if each shirt cost 20 bucks 2x6=12 add the 0 = $120
20% off 120 = $96
2. if in all the shirt cost 20 bucks
20% off 20 = $16 bucks
Hope This Helped!