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OpenStudy (anonymous):
in a group of 100 students, 40 take physics, 60 take sociology and 80 take music. 7 students take physics and sociology, 46 students take sociology and music and 36 students take physics and music. If 6 students take all 3 courses, how many student take none of the courses?
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OpenStudy (anonymous):
|dw:1434748502318:dw|
OpenStudy (princeharryyy):
that's wrong
OpenStudy (anonymous):
its right
OpenStudy (anonymous):
no it's not wtf go away
OpenStudy (princeharryyy):
|dw:1434748810143:dw|
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