document.write( "Question 1037104: Hi! I really need help with this problem.
\n" ); document.write( "At Lisa's sandwich Shop, two chicken sandwiches and four cheese sandwiches cost $18. Five chicken sandwiches and six cheese sandwiches cost $34. Which type of sandwich is more expensive, and by how much?
\n" ); document.write( "Thanks! \n" ); document.write( "

Algebra.Com's Answer #651803 by ikleyn(52814) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "Hi! I really need help with this problem.
\n" ); document.write( "At Lisa's sandwich Shop, two chicken sandwiches and four cheese sandwiches cost $18.
\n" ); document.write( "Five chicken sandwiches and six cheese sandwiches cost $34. Which type of sandwich is more expensive, and by how much?
\n" ); document.write( "Thanks!
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document.write( "2x + 4y = 18,    (1)\r\n" );
document.write( "5x + 6y = 34.    (2)\r\n" );
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document.write( "Multiply the first eqn by  (both sides). You will get\r\n" );
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document.write( "3x + 6y = 27,    (1')\r\n" );
document.write( "5x + 6y = 34.    (2').\r\n" );
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document.write( "Now, distract eqn (1') from (2'). You will get\r\n" );
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document.write( "2x = 34 - 27 = 7.\r\n" );
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document.write( "From this point, please complete the solution on your own.\r\n" );
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