# In a class of 12 girls and 15 boys, why is it not correct to say that the ratio of girls to boys is 5 to 4?

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the ratio of boys to girls is 15:12 = 5: 4

when you say that the ratio of girls to boys is 5:4

you are actually saying that there are 5 girls to every 4 boys

which is wrong

so it is wrong to say that the ratio of girls to boys is 5:4