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22 Jul 2009, 20:07
At Daifu university, 40% of all students are members of both a chess club and a swim team. If 20% of members of the swim team are not members of the chess club, what percentage of all Daifu students are members of the swim team?

20%
30%
40%
50%
60%
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22 Jul 2009, 22:37
vannu wrote:
At Daifu university, 40% of all students are members of both a chess club and a swim team. If 20% of members of the swim team are not members of the chess club, what percentage of all Daifu students are members of the swim team?

20%
30%
40%
50%
60%

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23 Jul 2009, 00:20

m01-q15-67289.html
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m01-15 &nbs [#permalink] 23 Jul 2009, 00:20
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