document.write( "Question 118931: a canoeist paddled for 4 hrs with a 6km/h current to reach a campsite.the return trip against the same current took 10 hrs.find the speed of the canoe in still water. \n" ); document.write( "
Algebra.Com's Answer #87052 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! DISTANCE=RATE*TIME \n" ); document.write( "GOING WE HAVE D=4(S+6) WHERE S=SPEED OF THE CANOEIST. \n" ); document.write( "RETURNING WE HAVE D=10(S-6) \n" ); document.write( "SETTING THESE 2 EQUATIONS EQUAL WE GET: \n" ); document.write( "4(S+6)=10(S-6) \n" ); document.write( "4S+24=10S-60 \n" ); document.write( "4X-10S=-60-24 \n" ); document.write( "-6S=-84 \n" ); document.write( "S=-84/-6 \n" ); document.write( "S=14 KMH IS THE CANOEIST SPEED. \n" ); document.write( "PROOF \n" ); document.write( "4(14+6)=10(14-6) \n" ); document.write( "4*20=10*8 \n" ); document.write( "80=80 \n" ); document.write( " \n" ); document.write( " |