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A. Tell whether the following given ratios are proportions. Write Yes if they are and No if they

are not proportion.

1.) 4:5 = 28:35 ___________________________

2.) 18:45 = 4:12 __________________________

3.) 3:2 = 15 :36 ___________________________

4) 9:12 =27:36 ___________________________

5. 2:5 = 4: 10 ______________________​