document.write( "Question 1186383: A river is flowing at a rate of 5 km/h. A boat travels 12 km upstream and 10 km
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document.write( "downstream in a total of 5 hours. What is the speed of the boat in still water?
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document.write( "A. 17.6 km/h
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document.write( "C. 43.5 km/h
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document.write( "B. 27.6 km/h
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document.write( "D. 54.6 km/h \n" );
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Algebra.Com's Answer #817279 by josgarithmetic(39620)![]() ![]() ![]() You can put this solution on YOUR website! b, boat speed \n" ); document.write( "5, river speed\r \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " SPEEDS TIME DISTANCE\r\n" ); document.write( "\r\n" ); document.write( "UP b-5 12/(b-5) 12\r\n" ); document.write( "\r\n" ); document.write( "DOWN b+5 10/(b+5) 10\r\n" ); document.write( "\r\n" ); document.write( "TOTAL 5\r\n" ); document.write( " \n" ); document.write( "Make the time sum equation.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "Simplify and solve. \n" ); document.write( " |