Answers

2014-09-11T13:10:59+08:00
It's the relationship between 2 numbers.
suppose you have 10 girls and 20 boys. If you get the ratio of girls to boys, it would be 10:20. In simplest form, 1:2 (or 1 girl for every 2 boys) the order (whether it's girl to boy or vice versa) is very important
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