document.write( "Question 966580: Going down the river a boat went 15 mph. Going up the river it only went 1 mph. What is the speed of the current? How fast would the boar go if there were no current? \n" ); document.write( "
Algebra.Com's Answer #590752 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"system%28r%2Bc=15%2Cr-c=1%29\"
\n" ); document.write( "which should be enough to find r and c; because this is two equations and two unknowns.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );