document.write( "Question 1201030: In a survey of 1000 adults aged 18 and older, the following question was posed:
\n" ); document.write( "\"Are other travelers' online reviews trustworthy?\" The participants were asked
\n" ); document.write( "to answer \"yes,\" \"no,\" or \"not sure.\" The survey revealed that 340 answered \"no\"
\n" ); document.write( "or \"not sure.\" It also showed that the number of those who answered \"yes\"
\n" ); document.write( "exceeded the number of those who answered \"no\" by 400. What percentage of
\n" ); document.write( "respondents answered \"yes,\" \"no,\" and \"not sure\"? (Let x represent the number of
\n" ); document.write( "respondents who answered \"yes\", y represent the number of respondents who
\n" ); document.write( "answered \"no\", and z represent the number of respondents who answered \"not
\n" ); document.write( "sure\".)
\n" ); document.write( " ? = 1000
\n" ); document.write( " ? = 340
\n" ); document.write( " ? = 400\r
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Algebra.Com's Answer #835297 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
...1000 adults...
(yes's) + (no's) + (not sure's) = 1000\r\n" );
document.write( "   x    +   y    +     z        = 1000
...340 answered \"no\" or \"not sure.\"...
(no's) + (not sure's) = 340\r\n" );
document.write( "   y   +      z       = 340
...the number of those who answered \"yes\"
\n" ); document.write( "exceeded the number of those who answered
\n" ); document.write( "\"no\" by 400...
(yes's) - (no's)  = 400\r\n" );
document.write( "   x    -   y     = 400\r\n" );
document.write( "\r\n" );
document.write( "Edwin
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