document.write( "Question 912503: the perimeter of a rectangle is 106 cm. If the length is 7 cm less than three times the width, what are the dimensions. I know P=2l+2w But I can not figure out how to write this problem! \n" ); document.write( "

Algebra.Com's Answer #553835 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
\n" );
document.write( "Hi,
\n" );
document.write( "     .
\n" );
document.write( "2L + 2w = 106cm
\n" );
document.write( "0r
\n" );
document.write( "L + w = 53cm
\n" );
document.write( "(3w-7) + w = 53
\n" );
document.write( "4w = 60
\n" );
document.write( "w = 15cm  and L = 38cm 
\n" );
document.write( "And...checking
\n" );
document.write( "L + w = 53cm
\n" );
document.write( " \n" );
document.write( "

\n" );