document.write( "Question 800956: the length of a rectangle is 1 inch less than 3 times the width. if the length is increased by 6 inches and the width is increased by 5, then the length will be twice the width. what are the dimensions of the rectangle \n" ); document.write( "
Algebra.Com's Answer #483386 by Finavon(81)![]() ![]() ![]() You can put this solution on YOUR website! let l & b be length and breadth \n" ); document.write( "1+l=3*b so l=3b-1 \n" ); document.write( "l+6=2*(b+5) \n" ); document.write( "substitute for l \n" ); document.write( "3b-1+6=2*(b+5)=2b+10 \n" ); document.write( "subtract (2b-5) from each side \n" ); document.write( "b=5 \n" ); document.write( "l=3*5-1=14 \n" ); document.write( "rectangle is 5 in by 14 in\r \n" ); document.write( "\n" ); document.write( "Check: 3*5 - 1 =14 \n" ); document.write( "14+6 = 20 \n" ); document.write( "(5+5)*2 = 20\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |