document.write( "Question 898218: Meg rowed her boat upstream a distance of 72 miles and then rowed back to the starting point. The total time of the trip was 18 hours. If the rate of the current was 3 mph, find the average speed of the boat relative to the water. \n" ); document.write( "
Algebra.Com's Answer #544656 by josgarithmetic(39620)\"\" \"About 
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______________speed________time_______distance
\n" ); document.write( "UP____________r-3__________(___)_______72
\n" ); document.write( "DOWN__________r+3__________(___)_______72\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "______________speed________time_______distance
\n" ); document.write( "UP____________r-3__________72/(r-3)_______72
\n" ); document.write( "DOWN__________r+3__________72/(r+3)_______72
\n" ); document.write( "Total_______________________18
\n" ); document.write( "
\n" );