document.write( "Question 234229: One third of the Earth's land surface is desert. There are 50 million square kilometers of desert. Find the total number of square kilometers of land surface. \n" ); document.write( "
Algebra.Com's Answer #172774 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
50/(1/3)=50*3/1=150 million sq km \n" ); document.write( "
\n" );