Respuesta :

4/7 and 10/17.5
18/8 and 9/4
Proportions

2/3 and 9/12
3/8 and 6/141
7/5 and 27/20
Not a proportion

4/7 and 10/17.5

18/8 and 9/4

Proportions

2/3 and 9/12

3/8 and 6/141

7/5 and 27/20

Not a proportion

Answer:

Step-by-step explanation:

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