B. Directions: Write Yes on the line if the expression shows a proportion, No if not.
1.8:5, 3:40
2.2:9, 17:27
3.9:15, 3:5
4.5:15, 1:3
5.72:16, 18:4
1.8:5, 3:40
2.2:9, 17:27
3.9:15, 3:5
4.5:15, 1:3
5.72:16, 18:4
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Answer:
1.no
2.no
3.yes
4.yes/no
5.yes
Step-by-step explanation:Sorry i don't know the answer in nuber 4,Pls Brainliest my Answer,Thanks.