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10 Dec 2007, 14:20
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There are 150 students at Binghamton.
66 students play baseball,
45 play basketball,
42 play soccer.
27 students play AT LEAST 2 sports
3 students play all 3 of the sports.
How many of the 150 students play none of the sports?
66 students play baseball,
45 play basketball,
42 play soccer.
27 students play AT LEAST 2 sports
3 students play all 3 of the sports.
How many of the 150 students play none of the sports?
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10 Dec 2007, 14:32
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the 3 who play all 3 sports are each being counted 3 times so they're being counted as 9 instead of 3. Subtract 6 for them.
the 27 who play at least two include the 3 who play all three sports, so only 24 students play two. they're being counted twice, so subtract 24 for them.
66+45+42-24-6 = 123 students
leaving 27 who don't play sports at all
the 27 who play at least two include the 3 who play all three sports, so only 24 students play two. they're being counted twice, so subtract 24 for them.
66+45+42-24-6 = 123 students
leaving 27 who don't play sports at all
10 Dec 2007, 14:34
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bmwhype2
27 students play none of the sports. if correct can waste some time to explain by drawing
, x=27 actually.
