Which one of the following statements expresses a true proportion?

A. 7:9 = 8:9
B. 3:4 = 9:12
C. 54:9 = 6:3
D. 2:1 = 1:2

Respuesta :

B. 3:4 = 9:12 

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Hello there!

The correct answer is B. 3:4 = 9:12.

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