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Mathematics, 01.11.2019 02:31 derisepicowe0fa

The ratio of boys to girls at a party is 3: 5
2 boys leave the party
the ratio of boys to girls is now 5: 9
work out the number of girls at the party. show full working.

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The ratio of boys to girls at a party is 3: 5
2 boys leave the party
the ratio of boys t...

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