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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 4/6
2.5/10 and 1/2
3.4/5 and 5/6
4.1/4 and 2/8
5.3/5 and 9/15
6.10/6 and 5/3​