document.write( "Question 36973: I am a home schooled student and i do not have a text book curriculum.
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document.write( "The excursion boat on a river takes 2 1/2 hours to make the trip to a point 12 miles upstream and to return. If the rate at whick the boat travels in still water is 5 times the rate of the river current, what is the rate of the current? \n" );
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Algebra.Com's Answer #22749 by Paul(988)![]() ![]() ![]() You can put this solution on YOUR website! Leeting x be the rate fo the current: \n" ); document.write( " 2 1/2 hours ->2.5 hours \n" ); document.write( "Equation: \n" ); document.write( " \n" ); document.write( "12[(6x)+(4x)]=2.5[(6x)(4x)] \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "x(x-2) or... \n" ); document.write( " \n" ); document.write( "x=1 \n" ); document.write( "Multiply the result by 2 \n" ); document.write( "x=2 \n" ); document.write( "Hence, the rate of the current is 2mph. \n" ); document.write( "Paul. \n" ); document.write( " \n" ); document.write( " |