document.write( "Question 415063: The length of a rectangular field is twice its breadth. A girl jogged around it 5 times and covered a distance of 3km. What is the length of the field? \n" ); document.write( "
Algebra.Com's Answer #291063 by mananth(16946)![]() ![]() You can put this solution on YOUR website! breadth = x \n" ); document.write( "length = 2x \n" ); document.write( ".. \n" ); document.write( "perimeter = 2*(L+B) \n" ); document.write( "=2(2x+x) \n" ); document.write( "=6x \n" ); document.write( "6x= 3/5 \n" ); document.write( "6x*5=3 \n" ); document.write( "30x=3 \n" ); document.write( "x=1/10 km = 100 m \n" ); document.write( "Length = 100*2=200 m \n" ); document.write( "... \n" ); document.write( "(100+100+200+200)* 5 = 3000 m= 3km \n" ); document.write( " |