document.write( "Question 905177: A motorboat starts out and travels 9 miles an hour. In 3 hours another motorboat traveling at 18 miles an hour starts out to overtake the first one. In how many hours will the second boat take over the first? \n" ); document.write( "
Algebra.Com's Answer #549134 by lwsshak3(11628) ![]() You can put this solution on YOUR website! A motorboat starts out and travels 9 miles an hour. In 3 hours another motorboat traveling at 18 miles an hour starts out to overtake the first one. In how many hours will the second boat take over the first? \n" ); document.write( "*** \n" ); document.write( "3*9=27=distance 2nd boat must overtake the 1st boat \n" ); document.write( "18-9=9=speed at which 2nd boat is overtaking 1st boat \n" ); document.write( "travel time=distance/speed=27/9=3 \n" ); document.write( "how many hours will the second boat take over the first? 3 \n" ); document.write( " |