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# In a school there are 158 students. Although there are more girls than boys, only 1/11 of the girls wear glasses, while 1/7 of the boys wear them. How many boys and how many girls are in the school?

Question #23203. Asked by Kilroy. (Oct 13 02 5:25 PM)

Tabby Tom

The number of girls must be more than half of 158, i.e. at least 80. So we need a number greater than 80 which is divisible by 11, and a number smaller than 80 which is divisible by 7, and these numbers must add up to 158.

So we have 88 girls and 70 boys (of whom 8 girls and 10 boys wear glasses).

 Oct 13 02, 5:37 PM
Kilroy

 Oct 13 02, 8:59 PM

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