document.write( "Question 954052: The speed of about in still water is 15km/hr.it can go 45 km upstream and return downstream to the original point in 6 hours 45 minutes. Find the speed of the stream. \n" ); document.write( "

Algebra.Com's Answer #582663 by josgarithmetic(39632) $\"\"$ $\"About$

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r=15
\n" ); document.write( "c=unknown, the current
\n" ); document.write( "r+c=upstream speed
\n" ); document.write( "r-c=downstream speed
\n" ); document.write( "T=total time of $\"6%263%2F4\"$ hours
\n" ); document.write( "d=45\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "__________________speed_________time__________distance
\n" ); document.write( "upstream__________r-c____________d/(r-c)_____________d
\n" ); document.write( "downstrm__________r+c____________d/(r+c)_____________d
\n" ); document.write( "Total_____________________________T\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Uniform Rates Rule for Travel, RT=D\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The basic equation setup all in symbolic form: $\"highlight%28d%2F%28r-c%29%2Bd%2F%28r%2Bc%29=T%29\"$
\n" ); document.write( "Solve for c.
\n" ); document.write( " \n" ); document.write( "

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