aidanhoyt aidanhoyt

19-09-2014
Mathematics

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Girls to boys at concert 2:7 . 250 more girls than boys, how many boys

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AndyBryer AndyBryer

20-09-2014

The Girls:Boys ratio of 7:2 means that there are 7 girls for every boy.
As there are 250 more girls this relates to the 7-2 part of the ratio.
We can then divide 250 by 5 and multiply by 2 to get the number of boys as 100 boys

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