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Mathematics, 27.10.2019 10:43 candigirl8847

Which one of the following statements expresses a true proportion?
a. 3 : 5 = 12 : 20
b. 42 : 7 = 6 : 2
c. 2 : 3 = 3 : 2
d. 14 : 6 = 28 : 18

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Which one of the following statements expresses a true proportion?
a. 3 : 5 = 12 : 20

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