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8 February, 09:06

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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Answers (1)
  1. 8 February, 09:33
    0
    (3/8) (x+y) = x

    (5/14) (x+y-2) = x
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