Emilysouthall Emilysouthall

17-08-2017
Mathematics

contestada

Which one of the following statements expresses a true proportion?
A. 2:1 = 1:2
B. 7:9 = 8:9
C. 54:9 = 6:3
D. 3:4 = 9:12
Please explain

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Аноним Аноним

17-08-2017

A. 2:1 = 1:2

Hope this helps. :/

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addiehopes addiehopes

17-08-2017

The answer is D because if I cut a pie into 4 pieces and ate 3, it's the same amount as if I cut a pie into 12 pieces and ate 9. To realize this, 3x3 is 9 and 4x3 is 12 therefore 3:4 = 9:12

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