document.write( "Question 1073390: At a restaurant one family ordered 6 burgers and 5 fries, paying $68. Another family ordered
\n" ); document.write( "4 burgers and 7 fries, paying $75. Find the cost of 1 burger, and find the cost of 1 order of fries.
\n" ); document.write( "

Algebra.Com's Answer #688236 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
x burgers
\n" ); document.write( "y fries
\n" ); document.write( "\"system%286x%2B5y=68%2C4x%2B7y=75%29\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Multiply first equation by 2 and second equation by 3.
\n" ); document.write( "\"12x%2B10y=136%2C12x%2B21y=225\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"11y=89\"\r
\n" ); document.write( "\n" ); document.write( "\"y=89%2F11\"----------One order of fries, $8.09.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"6x=68-5y\"
\n" ); document.write( "\"x=%2868-5y%29%2F6\"\r
\n" ); document.write( "\n" ); document.write( "\"x=%2868-5%2A8.09%29%2F6\"\r
\n" ); document.write( "\n" ); document.write( "\"x=4.59\"-------------One burger, $4.59.\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );