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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asked Jul 26, 2018 61.6k views

4 votes

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.

Mathematics
middle-school

Berty asked

by Berty

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1 Answer

3 votes

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

John Sansom answered Aug 1, 2018

by John Sansom

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