Asked by sreekar

4/7 of the children in the hall are girls and the rest are boys. If there are 12 more girls
than boys, how many children are there in the hall?

Answers

Answered by Arora
If we take the total number of children in the hall as C, then,

Number of girls = (4/7)C
Number of boys = (3/7)C

We've also been given the difference, so:
(4/7)C - (3/7)C = 12
=> (4/7 - 3/7)C = 12
=> (1/7)C = 12
=> C = 12*7
=> C = 84
Answered by sreekar
Thank you very much, Arora :].
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