Which one of the following statement expresses a true proportion. A. 42:7=6:2 B. 3:5=12:20 C. 2:3=3:2 D. 14:6=28:18

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Asa Oconnell

Mathematics

1 March, 03:13

Which one of the following statement expresses a true proportion. A. 42:7=6:2 B. 3:5=12:20 C. 2:3=3:2 D. 14:6=28:18

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Abbigail Barr · Answer 1

B, because the first two numbers, 3 and 12, you can get 12 by multiplying the 3 by 4. In the next to numbers, 5 and 20, you can get 20 by multiplying 5 also by 4. Since they multiply using the same number, it is considered to be a true proportion.