document.write( "Question 1019234: The area of the earth surface is 530 million km. Approximately 7/10 of the earth surface is water. What fraction is land and How many square km of the earth surface is covered with water. \n" ); document.write( "
Algebra.Com's Answer #635172 by Cromlix(4381)\"\" \"About 
You can put this solution on YOUR website!
Hi there,
\n" ); document.write( "7/10 of 530 million km
\n" ); document.write( "= 371 million km (Water)
\n" ); document.write( "530 - 371 = 159 million km
\n" ); document.write( "159/530 = 3/10 (Land)
\n" ); document.write( "Hope this helps :-)
\n" ); document.write( "
\n" );