Lilibethlacson34go Lilibethlacson34go Math Answered A. Determine whether it is a proportion or not. Write YES if it is a proportion and No if it is not.1.2/3 and 4/62.5/10 and 1/23.4/5 and 5/64.1/4 and 2/85.3/5 and 9/156.10/6 and 5/3