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IV. Put a check () on the blank if each given ratio shows proportion and cross (X) if it does
not.
16.) 8:2 = 4:1
17.) 7:1 = 5:3
18.) 6:20 = 12:40
19.) 15:5 = 5:15
20.) 3:9 = 9:27​


Sagot :

Answer:

16.)✓

17.)×

18.)✓

19.)×

20.)×

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