document.write( "Question 792377: the length of a rectangular piece of land is 8 cm more than four times its width. the perimeter is 66 cm. what are the dimensions of the rectangular piece? \n" ); document.write( "
Algebra.Com's Answer #479966 by waynest(281)![]() ![]() ![]() You can put this solution on YOUR website! length = 4w + 8 \n" ); document.write( "p = 2w + 2L \n" ); document.write( "2w + 2(4w + 8) = 66 \n" ); document.write( "2w + 8w + 16 = 66 \n" ); document.write( "10w + 16 - 16 = 66 - 16 \n" ); document.write( "10w = 50 \n" ); document.write( "10w/10 = 50/10 \n" ); document.write( "w = 5\r \n" ); document.write( "\n" ); document.write( "check: \n" ); document.write( "2(5) + 2(4(5) + 8) = 66 \n" ); document.write( "10 + 2(20 + 8) = 66 \n" ); document.write( "10 + 2(28) = 66 \n" ); document.write( "10 + 56 = 66 \n" ); document.write( "66 = 66 \n" ); document.write( " |