document.write( "Question 542837: It costs the johnsons $216 to have a 9 ft by 12 ft wooden floor refinished. At that rate,how muchwould it cost them to have a 12 ft by 16 ft wooden floor refinished? \n" ); document.write( "
Algebra.Com's Answer #354677 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
(9*12)/216=(12*16)/x
\n" ); document.write( "108/216=192/x
\n" ); document.write( "108x=41472
\n" ); document.write( "x=41472/108
\n" ); document.write( "x=$384
\n" ); document.write( "
\n" );