document.write( "Question 294449: the length of a rectangle is 1 ft less than 3 times the width. the area of the rectangle is 310 ft. what are the dimensions of the rectangle. When i did the question i got w = 77.75 but when substituted in the equations that didn't make sense the equations i used were L*W=310 and 3W-1=L \n" ); document.write( "
Algebra.Com's Answer #212303 by richwmiller(17219)\"\" \"About 
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l=-1+3w
\n" ); document.write( "l=3w-1
\n" ); document.write( "l*w=310
\n" ); document.write( "(3w-1)*w=310
\n" ); document.write( "3w^2-w-310=0
\n" ); document.write( "w= 31/3
\n" ); document.write( "w= 10 1/3
\n" ); document.write( "l=31/3*3-1
\n" ); document.write( "l=30
\n" ); document.write( "30*31/3=10*31=310\r
\n" ); document.write( "\n" ); document.write( "
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