document.write( "Question 478222: A rectangular swimming pool measures 20 feet by 40 feet. A walk of uniform width surrounds it. The total area of the pool and the walk is 1500 ft^2. Find the width of the walk. \n" ); document.write( "
Algebra.Com's Answer #327659 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! x = width of walk \n" ); document.write( "----------------- \n" ); document.write( "(x+20)*(x+40) = 1500 \n" ); document.write( " \n" ); document.write( "(x-10)*(x+70) = 0 \n" ); document.write( "x = -70 (makes no sense) \n" ); document.write( "x = 10 feet works \n" ); document.write( " \n" ); document.write( " |