Answer to Question #4307 in Combinatorics | Number Theory for faye
2, 5ths of the girls like sport , 3, 5ths of the boys like sport ,whats the total number of pupils in the school who like sport??
of girls who like sport. So:
(1200-575) * 3 / 5 + 575 * 2 / 5 = 605.
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