document.write( "Question 610177: Having issues with this problem.\r
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document.write( "A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. How many are not using any of the three?\r
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document.write( "29 said they drove alone.
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document.write( "35 rode in a carpool.
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document.write( "30 rode public transportation.
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document.write( "6 used both carpools and public transportation.
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document.write( "5 used both a carpool and sometimes their own cars.
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document.write( "8 used buses as well as their own cars.
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document.write( "3 used all three methods. \n" );
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Algebra.Com's Answer #384199 by flame8855(424) You can put this solution on YOUR website! the answer is 30 \n" ); document.write( "so in order to get this\r \n" ); document.write( "\n" ); document.write( "drove alone DISABLED_event_only= 29-3-5-8 = 13 \n" ); document.write( "drive car and and public DISABLED_event_only= 8-3 = 5 \n" ); document.write( "drive car and carpool = 5-3 = 2\r \n" ); document.write( "\n" ); document.write( "drive public only [ 30 -3 - 6-8= 13 \n" ); document.write( "drive public and carpool DISABLED_event_only= 6-3 =3\r \n" ); document.write( "\n" ); document.write( "carpool only : 35-6-5-3 = 21 \n" ); document.write( "carpool + drive car + public = 3\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "so total = 13 + 5 + 2 + 13 +3 + 21 +3 = 70\r \n" ); document.write( "\n" ); document.write( "so 100 -70 =30 \n" ); document.write( " \n" ); document.write( " |