document.write( "Question 957182: A cruise ship can sail 25 mph in calm water. Sailing with the Gulf Stream, the ship can sail 256 mi in the same amount of time it takes to sail 144 mi against the Gulf Stream. Find the rate of the Gulf Stream. \n" ); document.write( "
Algebra.Com's Answer #854590 by josgarithmetic(39835)\"\" \"About 
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ship speed in still water, 25 mph
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document.write( "                      SPEED         TIME            DISTANE\r\n" );
document.write( "with strean           25+s           t              256\r\n" );
document.write( "against stream        25-s           t              144\r\n" );
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\n" ); document.write( "\"system%28t=256%2F%2825%2Bs%29%2C+and%2C+t=144%2F%2825-s%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"256%2F%2825%2Bs%29=144%2F%2825-s%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"16%2F%2825%2Bs%29=9%2F%2825-s%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"16%2825-s%29=9%2825%2Bs%29\"\r
\n" ); document.write( "\n" ); document.write( "\"400-16s=225%2B9s\"\r
\n" ); document.write( "\n" ); document.write( "\"175=25s\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28s=7%29\"
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