Since it does not include 0 in the inequality, nor does it include any numbers below 0, it must be

.
It can be written as: 1 T-Shirt per 5 people
If you have any further questions feel free to ask.
Hope this helps.
It is A I vsnududuudududu
16.4
20.5/5=4.1
4.1*4=16.4
............