document.write( "Question 1085318: A add a fast food joint three cheeseburgers and five medium shakes cost $14.38 at the same fast food joint five cheeseburgers and two medium shakes cost $12.06 what is the cost of a cheeseburger? What is the cost of a medium shake? \n" ); document.write( "
Algebra.Com's Answer #699400 by josgarithmetic(39620)\"\" \"About 
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x, price for cheeseburgers
\n" ); document.write( "y, price for medium shakes\r
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\n" ); document.write( "\n" ); document.write( "\"system%283x%2B5y=14.38%2C5x%2B2y=12.06%29\"\r
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\n" ); document.write( "\n" ); document.write( "Multiply first one by 2, and multiply second one by 5.
\n" ); document.write( "\"system%286x%2B10y=28.76%2C25x%2B10y=60.3%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%2825x%2B10y%29-%286x%2B10y%29=60.3-28.76\"\r
\n" ); document.write( "\n" ); document.write( "\"19x=31.54\"\r
\n" ); document.write( "\n" ); document.write( "\"x=1.66\"------price for a cheeseburger.\r
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\n" ); document.write( "\n" ); document.write( "You can use the same method to find price for the medium shake, y.
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