document.write( "Question 143251: A motor boat traveled 12 miles with the current, turned around, and returned 12 miles against the current to its starting point. The trip with the current took 2 hours and the trip against the current took 3 hours. Find the speed of the boat and the speed of the current. \n" ); document.write( "
Algebra.Com's Answer #104248 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! DISTANCE=RATE*TIME \n" ); document.write( "T=D/R \n" ); document.write( "2=12/R \n" ); document.write( "2R=12 \n" ); document.write( "R=6 MPH. FOR THE 2 HOUR TRIP. \n" ); document.write( "3=12/R \n" ); document.write( "3R=12 \n" ); document.write( "R=12/3 \n" ); document.write( "R=4 MPH. FOR THE 3 HOUR TRIP. \n" ); document.write( "(6-4)/2=2/2=1 MPH IS THE CURRENT. \n" ); document.write( "SPEED OF THE BOAT IS 6-1=5 MPH. FOR THE BOAT \n" ); document.write( "OR 4+1=5 MPH. FOR THE BOAT \n" ); document.write( " |