document.write( "Question 244979: a rectangle has a perimeter of 160' and the width is x and the lenght is 2x-10. What would the area also be. \n" ); document.write( "
Algebra.Com's Answer #179174 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 2W+2L=perimeter. \n" ); document.write( "2x+2(2x-10)=160 \n" ); document.write( "2x+4x-20=160 \n" ); document.write( "6x=160+20 \n" ); document.write( "6x=180 \n" ); document.write( "x=180/6 \n" ); document.write( "x=30 \n" ); document.write( "2*30=60 for the width. \n" ); document.write( "2*30-20=60-20=40 for the length. \n" ); document.write( "Area=LW \n" ); document.write( "Area=60*40=2,400 ans. \n" ); document.write( " |