SOLUTION: In a class of 450 students, 300 are taking a mathematics course and 260 are taking a science course. If 140 of these students are taking both courses, how many students are not tak

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Question 274836: In a class of 450 students, 300 are taking a mathematics course and 260 are taking a science course. If 140 of these students are taking both courses, how many students are not taking either of these courses?
a) 30 b) 40 c) 110 d) 140
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
450-(300+260-140)
450-420=30 students are taking neither math nor science.