document.write( "Question 1031559: Kayaker takes 3 hours to cover distance of 30 miles downstream. It takes 5 hours to cover the same distance upstream. Assume his average speed of the kayaker and current were constant. Fain the speed of the kayaker in still water and speed of current.\r
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\n" ); document.write( "B) Speed kayaker- 8MPH; Speed of Current 3MPH
\n" ); document.write( "C)Speed of kayaker-3MPH; Speed of current 3MPH
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Algebra.Com's Answer #646244 by ikleyn(52858)\"\" \"About 
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\n" ); document.write( " Kayaker takes 3 hours to cover distance of 30 miles downstream. It takes 5 hours to cover the same distance upstream. Assume his average speed of the kayaker and current were constant. Fain the speed of the kayaker in still water and speed of current.\r
\n" ); document.write( "\n" ); document.write( "A) Speed kyaker-3MPH; Speed of current 2MPH
\n" ); document.write( "B) Speed kayaker- 8MPH; Speed of Current 3MPH
\n" ); document.write( "C)Speed of kayaker-3MPH; Speed of current 3MPH
\n" ); document.write( "D)Speed of kayaker8 MPH; Speed of current 2MPH
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document.write( "x + y = \"30%2F3\" = 10,   (1)\r\n" );
document.write( "x - y = \"30%2F5\" =  6.   (2)\r\n" );
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document.write( "Add (1) and (2). You will get\r\n" );
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document.write( "2x = 16  --->   x = \"16%2F2\" = 8 mph.\r\n" );
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document.write( "Then from (1)  y = 10 - 8 = 2 mph.\r\n" );
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document.write( "Answer. Kayaker - 8 mph;  current - 2 mph.    Option D).\r\n" );
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