document.write( "Question 209710: how do you figure a rectangle with a perimeter of 70 feet and the length-to-width ratio of 3 to 4 \n" ); document.write( "
Algebra.Com's Answer #158547 by RAY100(1637)![]() ![]() ![]() You can put this solution on YOUR website! Perimeter = 2*Length +2*Width =70 \n" ); document.write( ". \n" ); document.write( "but L/W=3/4,,,or L=(3/4)(W),,,,,subst \n" ); document.write( ". \n" ); document.write( "2{(3/4)W} +2W =70 \n" ); document.write( ". \n" ); document.write( "1.5 W +2W = 70 \n" ); document.write( ". \n" ); document.write( "3.5 W =70 \n" ); document.write( ", \n" ); document.write( "W=20,,,,,,and L=(3/4)20 =15 \n" ); document.write( ". \n" ); document.write( "checking,,,2(15) +2(20) = 70,,,,ok \n" ); document.write( ". \n" ); document.write( " |