document.write( "Question 605835: A rectangular lot whose perimeter is 310 ft is fenced along three sides. an expensive fencing along the lot's length costs $25 per foot. An inexpensive fencing along the two side widths costs only $5 per foot. The total cost of the fencing along three sides comes to $3050. What are the lot's dimensions \n" ); document.write( "
Algebra.Com's Answer #381823 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! A rectangular lot whose perimeter is 310 ft is fenced along three sides. an expensive fencing along the lot's length costs $25 per foot. An inexpensive fencing along the two side widths costs only $5 per foot. The total cost of the fencing along three sides comes to $3050. What are the lot's dimensions. \n" ); document.write( "** \n" ); document.write( "let x=length of lot \n" ); document.write( "let y=width of lot \n" ); document.write( "2x+2y=310 \n" ); document.write( "x+y=155 \n" ); document.write( "y=155-x \n" ); document.write( ".. \n" ); document.write( "25x+5*2y=3050 \n" ); document.write( "25x+10(155-x)=3050 \n" ); document.write( "25x+1550-10x=3050 \n" ); document.write( "15x=1500x \n" ); document.write( "x=100 \n" ); document.write( "y=155-x=55 \n" ); document.write( ".. \n" ); document.write( "ans: \n" ); document.write( "length of lot=100 ft \n" ); document.write( "width of lot=55 ft \n" ); document.write( " |