document.write( "Question 1207374: A survey of 1,174 tourists visiting Orlando was taken. Of those surveyed:\r
\n" ); document.write( "\n" ); document.write( "250 tourists had visited LEGOLAND
\n" ); document.write( "268 tourists had visited Universal Studios
\n" ); document.write( "53 tourists had visited both the Magic Kingdom and LEGOLAND
\n" ); document.write( "100 tourists had visited both the Magic Kingdom and Universal Studios
\n" ); document.write( "77 tourists had visited both LEGOLAND and Universal Studios
\n" ); document.write( "32 tourists had visited all three theme parks
\n" ); document.write( "79 tourists did not visit any of these theme parks
\n" ); document.write( "How many tourists only visited the Magic Kingdom (of these three)?
\n" ); document.write( "

Algebra.Com's Answer #845217 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "\r\n" );
document.write( "If you know how to use EXCEL to solve a system of equations \r\n" );
document.write( "or if you have a system solver on your calculator, you can \r\n" );
document.write( "use this method:\r\n" );
document.write( " \r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "A survey of 1,174 tourists visiting Orlando was taken. \r\n" );
document.write( "\r\n" );
document.write( "So a+b+c+d+e+f+g+h=1174\r\n" );
document.write( "\r\n" );
document.write( "250 tourists had visited LEGOLAND\r\n" );
document.write( "\r\n" );
document.write( "So a+b+d+e=250\r\n" );
document.write( "\r\n" );
document.write( "268 tourists had visited Universal Studios\r\n" );
document.write( "\r\n" );
document.write( "So b+c+e+f=268\r\n" );
document.write( "\r\n" );
document.write( "53 tourists had visited both the Magic Kingdom and LEGOLAND\r\n" );
document.write( "\r\n" );
document.write( "So d+e=53\r\n" );
document.write( "\r\n" );
document.write( "100 tourists had visited both the Magic Kingdom and Universal Studios\r\n" );
document.write( "\r\n" );
document.write( "So e+f=100\r\n" );
document.write( "\r\n" );
document.write( "77 tourists had visited both LEGOLAND and Universal Studios\r\n" );
document.write( "\r\n" );
document.write( "So b+e=77\r\n" );
document.write( "\r\n" );
document.write( "32 tourists had visited all three theme parks\r\n" );
document.write( "\r\n" );
document.write( "So e=32\r\n" );
document.write( "\r\n" );
document.write( "79 tourists did not visit any of these theme parks\r\n" );
document.write( "\r\n" );
document.write( "So h=79\r\n" );
document.write( "\r\n" );
document.write( "How many tourists only visited the Magic Kingdom (of these three)?\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Solve the system.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );