The ratio of girls to boys at a party is 25:15. Write this as simply as possible.

5:3

explanation: you have to find the least common denominator of the two numbers. to do that you must think “can both these numbers be divided by 2? 3? 4?” and so on. you will find that 5 is the least common denominator, so you divide both numbers by 5 and end up with the simplest form which is “5:3”

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