document.write( "Question 1093565: A boat can travel 26 mph in still water. If the boat can travel 100 miles with the current in the same time it can travel 80 miles against the current, find the rate of the current r in miles per hour. (Enter an exact number as an integer, fraction, or decimal.)
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Algebra.Com's Answer #708420 by josgarithmetic(39617)\"\" \"About 
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You might want to arrange the data from the description as a table.
\n" ); document.write( "c, speed of the current
\n" ); document.write( "t, the equal time both directions taken\r
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document.write( "                       SPEED       TIME      DISTANCE\r\n" );
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document.write( "WITH CURRENT          26+c         t         100\r\n" );
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document.write( "AGAINST CURRENT       26-c         t          80\r\n" );
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\r
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\n" ); document.write( "\n" ); document.write( "WITH CURRENT will give \"t=%2826-c%29%2F100\" and AGAINST will give \"t=%2826-c%29%2F80\". Both expressions of t are equal:\r
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\n" ); document.write( "\n" ); document.write( "\"highlight_green%28%2826%2Bc%29%2F100=%2826-c%29%2F80%29\"-------solve this for c.\r
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\n" ); document.write( "\n" ); document.write( "\"20%2826%2Bc%29%2F100=20%2826-c%29%2F80\"\r
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\n" ); document.write( "\n" ); document.write( "\"%2826%2Bc%29%2F5=%2826-c%29%2F4\"\r
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\n" ); document.write( "\n" ); document.write( "\"4%2826%2Bc%29=5%2826-c%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"104%2B4c=130-5c\"\r
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\n" ); document.write( "\n" ); document.write( "\"9c=26\"\r
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\n" ); document.write( "\n" ); document.write( "\"c=26%2F9\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28c=2%268%2F9%29\"\"mph\"
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