Answer:
(excuse to those moderators who want to delete my answer because its the same of the previous answer. this is a very simple question. if u good at math u already know that the GCF is 5. i hope it wont get deleted cuz its the SAME answer on the SAME question lel)
45 / 5 = 9
60 / 5 = 12
75 / 5 = 15
Explanation: