document.write( "Question 1198451: A survey of 500 students were interviewed regarding their methods of transportation used to attend college the previous week. The results are outlined below: \r
\n" ); document.write( "\n" ); document.write( "60 walked (W)
\n" ); document.write( "80 caught the jitney (J)
\n" ); document.write( "74 drove by car only (C)
\n" ); document.write( "Only 4 walked and caught the jitney
\n" ); document.write( "16 walked and drove
\n" ); document.write( "90 drove but did not walk
\n" ); document.write( "10 did all three\r
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\n" ); document.write( "\n" ); document.write( "a.) Use the above data to complete a Venn Diagram using letters W, J, and C. \r
\n" ); document.write( "\n" ); document.write( "b.) Using the results of the completed venn diagram, how many students: \r
\n" ); document.write( "\n" ); document.write( "i.) used none of the methods of transportation listed that week:
\n" ); document.write( "ii.) used exactly none of the three methods:
\n" ); document.write( "iii.) caught the bus only:
\n" ); document.write( "iv.) used at least two of the methods : \n" ); document.write( "

Algebra.Com's Answer #832055 by Edwin McCravy(20081) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "This is unsolvable because there is a contradiction.\r\n" );
document.write( "This:

Only 4 walked and caught the jitney

contradicts this:

10 did all three

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document.write( "If 10 did all three, then that means they did two.  So those 10 would have had to\r\n" );
document.write( "walk and to catch the jitney.  But the first statement says only 4 did.  So there\r\n" );
document.write( "must be a typo here.  If you want to see a problem exactly like yours, go here:\r\n" );
document.write( "\r\n" );
document.write( "http://www.algebra.com/tutors/students/your-answer.mpl?question=288071\r\n" );
document.write( "\r\n" );
document.write( "Edwin

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