Asked by princess

3/4 of the girls in SSS1 play basket ball and 4/7 play volleyball. Every girl plays at least one of these games. If 27 girls play both games, how many girls are there in the class?
Answered by Ms Pi 3.14159265358979323
You may wish to start with a Venn diagram : )
That is two intersecting circles... where the overlap is the 27 that play both games.
Answered by oobleck
3/4 x + 4/7 x - 27 = x
Answered by Anonymous
20


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