How do you put 20/80 in simplest form

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.

What is the graph of the absolute value equation ? y=|x|-5