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Of the 200 students at college T majoring in one or more of [#permalink]
25 Jan 2008, 11:52
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Of the 200 students at college T majoring in one or more of the sciences, 130 are majoring in chemistry and 150 are majoring in biology. If atleast 30 of the students are not majoring in either chemistry or biology, then the number of students majoring in both chemistry and biology could be any number from
A 20 to 50 B 40 to 70 C 50 to 130 D 110 to 130 E 110 to 150