Answer :

[tex] \frac{60}{100} * \frac{x}{680} = 680 * 60 = 40800.[/tex] [tex] \frac{40800}{100} = 408.[/tex]
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First, you find 10% of 680 which is 68. Then, you multiply this by 6, which equals 408.It is the number of girls in the school. 408 is also the number that you must take away from 680, which is the total of pupils at the school. 680 take away 408 equals 272.
The answer to your question is 272. Thank you for posting this question. I hope my explanation was helpful for you.

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