document.write( "Question 1011832: at a concession stand three hot dogs and two hamburgers cost 7.00; two hot dogs and three hamburgers cost 8.00 find the cost of one hotdog and the cost of one hamburger \n" ); document.write( "
Algebra.Com's Answer #627652 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! at a concession stand three hot dogs and two hamburgers cost 7.00; two hot dogs and three hamburgers cost 8.00 find the cost of one hotdog and the cost of one hamburger \n" ); document.write( "------ \n" ); document.write( "Equations: \n" ); document.write( "3d + 2h = 7 \n" ); document.write( "2d + 3h = 8 \n" ); document.write( "------- \n" ); document.write( "6d + 4h = 14 \n" ); document.write( "6d = 9h = 24 \n" ); document.write( "---- \n" ); document.write( "5h = 7 \n" ); document.write( "h = 7/5 = $1.40 (price of one hamburger) \n" ); document.write( "------------- \n" ); document.write( "Solve for \"d\" \n" ); document.write( "2d + 3h = 8 \n" ); document.write( "2d + 4.2 = 8 \n" ); document.write( "2d = 3.8 \n" ); document.write( "d = $1.90 (price of one hot dog) \n" ); document.write( "---------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------ \n" ); document.write( " |