Question

1. What is the equivalent ratio of 1 apon 3
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Answer 1

Answer:

1 : 3 = 2 : 6 = 3 : 9 = 4 : 12 = 5 : 15 = 6 : 18 = 7 : 21....

you can write any one of it like 1:3=5:15

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