document.write( "Question 105789: I have a rectangular swimming pool that is 3 times as long as it is wide. Around the pool is a deck that is 2.5 meters wide and the area of the deck is 265 meters^2. How do I figure out the dimensions of the pool? \n" ); document.write( "
Algebra.Com's Answer #76987 by edjones(8007)![]() ![]() You can put this solution on YOUR website! L=3w \n" ); document.write( "(L+5)*(w+5)-(L*w)=265 \n" ); document.write( "(3w+5)*(w+5)-3w*w=265 \n" ); document.write( "3w^2+20w+25-3w^2=265 \n" ); document.write( "20w+25=265 \n" ); document.write( "20w=240 \n" ); document.write( "w=12 \n" ); document.write( "L=36 \n" ); document.write( "Ed\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |