document.write( "Question 1027451: Olivia paddles her kayak a average of 4 kilometers per hour on still water. she paddles against the current of a river for 5 kilometers, and it takes her 2.5 hours. \n" ); document.write( "

Algebra.Com's Answer #642673 by ikleyn(52788) $\"\"$ $\"About$

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\n" ); document.write( "Olivia paddles her kayak a average of 4 kilometers per hour on still water. She paddles against the current of a river
\n" ); document.write( "for 5 kilometers, and it takes her 2.5 hours. $\"highlight%28Find_the_speed_of_the_current%29\"$ .
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document.write( "Let v be the speed of the current.\r\n" );
document.write( "Then Olivia's speed floating against the current is (4 - v) kilometers per hour.\r\n" );
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document.write( "Hence, the equation   =   for Olivia's trip against the current is \r\n" );
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document.write( "4 - v = ,   or\r\n" );
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document.write( "4 - v = 2.\r\n" );
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document.write( "Therefore, v = 2  is the current' speed.\r\n" );
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