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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 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 to girls is now 5:9
Work out the number of girls at the party. Show Full Working.

User Berty
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8.6k points

1 Answer

3 votes
(3/8)(x+y)=x
(5/14)(x+y-2)=x

User John Sansom
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7.7k points
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