document.write( "Question 1017810: Jonathan and Samantha paddle their canoe 26 miles downstream in 2 hours. After a picnic, they paddle back upstream. After 3 hours they have traveled only 9 miles back. Assuming that they paddle at a constant rate and the river's current is constant, find the speed at which Jonathan and Samantha can paddle in still water. \n" ); document.write( "

Algebra.Com's Answer #634018 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
Travel rates rule, RT=D to relate rate, time, distacne
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document.write( "              rate         time         distance\r\n" );
document.write( "DOWN          r+c            2            26\r\n" );
document.write( "UPST          r-c            3             9\r\n" );
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\n" ); document.write( "\n" ); document.write( " $\"system%28%28r%2Bc%29%2A2=26%2C%28r-c%29%2A3=9%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"system%28%28r%2Bc%29=13%2C%28r-c%29=3%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"system%28r%2Bc=13%2Cr-c=3%29\"$
\n" ); document.write( "Simple Elimination Method will quickly give your answers.
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