document.write( "Question 72058: Andre sells furniture. Two different chairs go with a dining set, a chair with arms or a chair without. One armchair and one chair without arms sell together for $184. One day he sold 5 armchairs and 17 chairs without arms for a total of $1868. How much does each chair sell for? \n" ); document.write( "
Algebra.Com's Answer #51519 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! One armchair and one chair without arms sell together for $184. One day he sold 5 armchairs and 17 chairs without arms for a total of $1868. How much does each chair sell for? \n" ); document.write( "-------- \n" ); document.write( "Let \"a\" be the price of an armchair; Let \"c\" be the price of a chair. \n" ); document.write( "EQUATIONS: \n" ); document.write( "a+c=184 \n" ); document.write( "5a+17c=1868 \n" ); document.write( "-------------- \n" ); document.write( "a = 184-c \n" ); document.write( "Substitute that into the 2nd equation to solve for \"c\": \n" ); document.write( "5(184-c)+17c=1868 \n" ); document.write( "920-5c+17c = 1868 \n" ); document.write( "12c = 948 \n" ); document.write( "c=$79 (price of a chair) \n" ); document.write( "Substitute into a=184-c to solve for \"a\" \n" ); document.write( "a=184-79 = $105 (price of an armchair) \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "5 \n" ); document.write( " |