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March 4, 2015

March 4, 2015

Posted by **elisa** on Saturday, October 18, 2008 at 8:38pm.

a) none of the classes?

b) only math?

c) history and english?

d) only english?

e) exactly two of the three classes?

- math -
**Damon**, Saturday, October 18, 2008 at 9:10pmI drew three overlapping circles.

all three =11

math and history only 13-11 = 2

english and history only 19-11 = 8

math and english only 24-11 = 13

so math only = 59-13-11-2 = 33

english only = 51-13-11-8 = 19

history only = 35-2-11-8 = 14

add them all up and you get 100, so no students are taking none.

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