document.write( "Question 324043: the speed of the lazy river current is 5 mph. If a boat travels 20 miles downstream in the same time that it takes to travel 10 miles upstream find the speed of the boat in still water. \n" ); document.write( "

Algebra.Com's Answer #231979 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let B be the boat speed.
\n" ); document.write( " $\"%28B%2B5%29T=20\"$
\n" ); document.write( " $\"%28B-5%29T=10\"$
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\n" ); document.write( ".
\n" ); document.write( " $\"2%28B-5%29=B%2B5\"$
\n" ); document.write( " $\"2B-10=B%2B5\"$
\n" ); document.write( " $\"B=15\"$ mph
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