document.write( "Question 75892: Of the 130 students who took a math exam, 90 correctly answered the first question , 62 correctly answered the second question, and 50 correctly answered both questions.\r
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document.write( "a. How many students correctly answered either the first or second question?
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document.write( "b. How many students did not answer either of the two questions correctly?
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document.write( "c. How many students answered either the fist or second question correctly, but not both? \n" );
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Algebra.Com's Answer #54487 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Of the 130 students who took a math exam, 90 correctly answered the first question , 62 correctly answered the second question, and 50 correctly answered both questions.\r \n" ); document.write( "\n" ); document.write( "a. How many students correctly answered either the first or second question? \n" ); document.write( "#= 90 + 62 - 50 = 102 \n" ); document.write( "-------- \n" ); document.write( "b. How many students did not answer either of the two questions correctly? \n" ); document.write( "# = 130-102 = 28 \n" ); document.write( "----------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "c. How many students answered either the fist or second question correctly, but not both? \n" ); document.write( "# = 90-50 + 62 - 50 = 52 \n" ); document.write( "-------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |