document.write( "Question 1008905: The length of a lacrosse field is 10yd less than twice its width, and the perimeter is 340yd. The defensive area is 7/22 of the total field. Find the defensive area of the lacrosse field \n" ); document.write( "
Algebra.Com's Answer #624529 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "W=width; L=length=2W-10yds; P=perimeter \n" ); document.write( ". \n" ); document.write( "P=2(L+W) \n" ); document.write( "340yds=2((2W-10yds)+W) \n" ); document.write( "170yds=3W-10yds \n" ); document.write( "180yds=3W \n" ); document.write( "60yds=W \n" ); document.write( "L=2W-10yds=2(60yds)-10yds=110yds \n" ); document.write( ". \n" ); document.write( "Total Area=LW=(110yds)(60yds)=6600 sq yds \n" ); document.write( "Defensive area=(7/22)(6600 sq yds)=2100 sq yds \n" ); document.write( ". \n" ); document.write( "ANSWER: The defensive area is 2100 square yards. \n" ); document.write( " |