document.write( "Question 1089240: Zene decides to canoe 4 miles upstream on a river to a waterfall and then canoe back. The total trip​ (excluding the time spent at the​ waterfall) takes 8 hours. Zene knows she can canoe at an average speed of 5 miles per hour in still water. What is the speed of the​ current? \n" ); document.write( "
Algebra.Com's Answer #703600 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "               SPEED         TIME        DISTANCE\r\n" );
document.write( "UP             5-c           4/(5-c)    4\r\n" );
document.write( "BACK           5+c           4/(5+c)    4\r\n" );
document.write( "Total                         8\r\n" );
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\n" ); document.write( "\n" ); document.write( "\"4%2F%285-c%29%2B4%2F%285%2Bc%29=8\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight_green%281%2F%285-c%29%2B1%2F%285%2Bc%29=2%29\" \n" ); document.write( "
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