document.write( "Question 440904: two boys on bicycles start from the same place at the same time.One rides at 15km/hr, and the other at 15km/hr , and the other at 9km/hr. They travel in opposite directions. How much time will pass before they are 48km apart? \n" ); document.write( "
Algebra.Com's Answer #304452 by jorel1380(3719)\"\" \"About 
You can put this solution on YOUR website!
If one is going 15km/hr, and the other 9km/hr, then together they are going 24km/hr away from each other. 48km/24km/hr=2 hours before they are 48km apart.. \n" ); document.write( "
\n" );