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Which is a valid proportion? 3 over 4 = 21 over 28 5 over 6 = 29 over 30 4 over 7 = 16 over 49 Two-fifths = 12 over 15
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Which is a valid proportion? 3 over 4 = 21 over 28

5 over 6 = 29 over 30
4 over 7 = 16 over 49
Two-fifths = 12 over 15

User Emil Kantis
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Answer: I think that it is the first one

User Calynr
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