document.write( "Question 1042035: The length of a rectangle is 4 less than twice the width. The area of the rectangle is 70 square feet. Find the dimensions of the rectangle.\r
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #656934 by jorel555(1290)![]() ![]() ![]() You can put this solution on YOUR website! If w is the width, then the length is 2w-4. So: \n" ); document.write( "w(2w-4)=70 \n" ); document.write( "2w²-4w-70=0 \n" ); document.write( "w²-2w-35=0 \n" ); document.write( "(w+5)(w-7)=0 \n" ); document.write( "w=-5, 7 \n" ); document.write( "If the width is 7, then the length is 10. \n" ); document.write( "7 x 10=70. ☺☺☺☺ \n" ); document.write( " |