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Mathematics, 01.10.2019 16:50 july00

At a festival, 2/7 of the number of girls was equal to 3/5 of the number of boys. there were 165 fewer boys then girls, how many children were at the festival in all?

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At a festival, 2/7 of the number of girls was equal to 3/5 of the number of boys. there were 165 few...
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