The proportion of girls in a year group is 30 out of 90. What is the ratio of girls to boys?

or:The proportion of girls in a year group is 30 out of 90. What is the ratio of girls to boys?or:that would be a amazing thing i have always been to

or:The proportion of girls in a year group is 30 out of 90. What is the ratio of girls to boys?

or:that would be a amazing thing i have always been told that there are more girls then boys any where so thinking about that keeping it in mind so i think it would be 60 girls and thirty boys so it works out that there are more girls in ratio then boys how it woreks out is strange i would have never thought that

or:the ratio is 1 in 3 (1:3), for every girl there are 3 boys.

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