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#1 2012-10-12 01:40:26



65% of children in a sport club play football, 70% play volley-ball and 75% play basket ball. What is

the minimum number of children playing all the three games, if the total number of children in the

sport  club is 90

#2 2012-10-12 04:20:08

bob bundy
Registered: 2010-06-20
Posts: 8,323

Re: Sets

hi juan

Welcome to the forum.

Have a look at this thread:

I have shown there how you can do these 3 set problems.


ps.  I'm a bit worried about these children as there seem to be half children in some sets.  dizzy  smile

Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei


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