document.write( "Question 387925: Kim bought 4 shirts and 3 pair of jeans for $109.85.
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document.write( "Jim bought 6 shirts and 1 pair of jeans for $94.95.
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document.write( "what is the cost in dollars, for 1 pair of jeans? \n" );
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Algebra.Com's Answer #274227 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Kim bought 4 shirts and 3 pair of jeans for $109.85. \n" ); document.write( "Jim bought 6 shirts and 1 pair of jeans for $94.95. \n" ); document.write( "what is the cost in dollars, for 1 pair of jeans? \n" ); document.write( "------------ \n" ); document.write( "Equations: \n" ); document.write( "4s + 3j = 109.85 \n" ); document.write( "6s + j = 94.95 \n" ); document.write( "----- \n" ); document.write( "Multiply thru the bottom equation by 3 \n" ); document.write( "================= \n" ); document.write( "4s + 3j = 109.85 \n" ); document.write( "18s +3j = 3*94.95 \n" ); document.write( "------- \n" ); document.write( "Subtract and solve for \"s\": \n" ); document.write( "14s = 175 \n" ); document.write( "-- \n" ); document.write( "s = $5.36 (cost of one shirt) \n" ); document.write( "---- \n" ); document.write( "Substitute and solve for \"j\": \n" ); document.write( "6(5.36)+j = 94.95 \n" ); document.write( "--- \n" ); document.write( "j = $62.81 (cost of one jean) \n" ); document.write( "==================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=========== \n" ); document.write( " \n" ); document.write( " |