document.write( "Question 228344: the area of a rectangle is 525cm2. find the dimensions of a rectangle if the ratio of the length to the width is 7:3. \n" ); document.write( "
Algebra.Com's Answer #169533 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
7x*3x=525
\n" ); document.write( "21x^2=525
\n" ); document.write( "x^2=25
\n" ); document.write( "x=5
\n" ); document.write( "7x=35 cm
\n" ); document.write( "3x=15 cm
\n" ); document.write( "
\n" ); document.write( "
\n" );