document.write( "Question 589915: There are 325 students in a college who have taken a course in calculus, 218 who have take a course in discrete mathematics, and 144 who have taken a course in both calculus and discrete mathematics. How many students at this college have taken a course in either calculus or discrete mathematics? \n" ); document.write( "

Algebra.Com's Answer #374986 by Edwin McCravy(20056) $\"\"$ $\"About$

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\n" ); document.write( "There are 325 students in a college who have taken a course in calculus,
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document.write( "N(C) = 325\r\n" );
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\n" ); document.write( "218 who have take a course in discrete mathematics,
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document.write( "N(D) = 218\r\n" );
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\n" ); document.write( "and 144 who have taken a course in both calculus and discrete mathematics.
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document.write( "N(C and D) = 144\r\n" );
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\n" ); document.write( "How many students at this college have taken a course in either calculus or discrete mathematics?
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document.write( "N(C or D) = ?\r\n" );
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document.write( "The formula is:\r\n" );
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document.write( "N(C or D) = N(C) + N(D) - N(C and D)\r\n" );
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document.write( "N(C or D) =  325 +  218 - 144\r\n" );
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document.write( "N(C or D) =  399   \r\n" );
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document.write( "Edwin

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