document.write( "Question 448061: Alvin paddles for 3 hours with a 5 km/ hr current to reach a campsite. The return trip against the same current took 8 hours. Find the speed of the boat in still water. \n" ); document.write( "
Algebra.Com's Answer #308403 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! 3/x+5=8/x-5 \n" ); document.write( "8(x+5)=3(x-5) \n" ); document.write( "8x+40=3x-15 \n" ); document.write( "5x=55 \n" ); document.write( "x=11 \n" ); document.write( "The speed of the boat is 11km/hour.. \n" ); document.write( " |