SOLUTION: Suppose that out of 1500 first year students at a certain college, 350 are taking history , 300 are taking mathematics, and 270 are taking both history and mathematics. How many fi

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Question 918831: Suppose that out of 1500 first year students at a certain college, 350 are taking history , 300 are taking mathematics, and 270 are taking both history and mathematics. How many first year students are taKing history or mathematics?
Answer by stanbon(75887) About Me  (Show Source):
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Suppose that out of 1500 first year students at a certain college, 350 are taking history , 300 are taking mathematics, and 270 are taking both history and mathematics. How many first year students are taKing history or mathematics?
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#(h Or m) = #(h)+#(m)-#(h And m)
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#(h Or m) = 350 + 300 - 270 = 380
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Cheers,
Stan H.
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