document.write( "Question 533748: A marker cost as much as 4 pens. Manny paid $143 for 2 markers and 5 pens. What is the cost of a marker? What is the cost of a pen? \n" ); document.write( "
Algebra.Com's Answer #351140 by unlockmath(1688)![]() ![]() You can put this solution on YOUR website! Hello, \n" ); document.write( "It's unreal that it would cost $143 but here's how to solve it. \n" ); document.write( "Let x be the marker and y represent the pens. \n" ); document.write( "4y=x \n" ); document.write( "2x+5y=143 \n" ); document.write( "Solve by substitution: \n" ); document.write( "4y+5y=143 \n" ); document.write( "Combine like terms and divide by 143 to get: \n" ); document.write( "y=$15.89 (rounded off) for a pen. \n" ); document.write( "x=$63.56 (Rounded off) for a marker.\r \n" ); document.write( "\n" ); document.write( "RJ \n" ); document.write( "www.math-unlock.com \n" ); document.write( " |