document.write( "Question 1029728: Sarah rows a boat downstream for 42 miles. The return trip upstream took 8 hours longer. If the current flows at 2 mph, how fast does Sarah row in still water? \n" ); document.write( "

Algebra.Com's Answer #644706 by josgarithmetic(39617) $\"\"$ $\"About$

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Travel rates rule to relate the quantities, RT=D
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document.write( "                    RATE        TIME          DISTANCE\r\n" );
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document.write( "downstream          r+2           t            42\r\n" );
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document.write( "upstream            r-2          t+8           42

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\n" ); document.write( "\n" ); document.write( "Form the system of equations and solve for r. \n" ); document.write( "

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