document.write( "Question 527986: Two drivers, starting at the same place, begin driving in the opposite directions at the same time. One heads east at 65 kilometers per hour and the other heads west at 85 kilometers per hour. In how many minutes will they be 375 kilometers apart? \n" ); document.write( "
Algebra.Com's Answer #349123 by Maths68(1474) You can put this solution on YOUR website! Effective Speed = 65 + 85 = 150mph/h \n" ); document.write( "Distance = 375\r \n" ); document.write( "\n" ); document.write( "Time = Distance/speed \n" ); document.write( "Time = 375/150 \n" ); document.write( "Time = 2.5 \n" ); document.write( "Time = 2 hours and 30 minutes \n" ); document.write( "Time = (2*60)+30 \n" ); document.write( "Time =120+30 \n" ); document.write( "Time = 150 minutes\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "In 150 minutes they will be 375 kilometers apart\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Check \n" ); document.write( "=====\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "1st Driver will cover a distance of: \n" ); document.write( "Distance = Speed * time \n" ); document.write( "Distance = 65*2.5 = 162.5 kilometers\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2nd Driver Two will cover a distance of: \n" ); document.write( "Distance = Speed * time \n" ); document.write( "Distance = 85*2.5 = 212.5 kilometers\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Since both are driving in opposite direction:\r \n" ); document.write( "\n" ); document.write( "Distance between two drivers = Distance Covered by 1st driver + Distance covered by 2nd driver \n" ); document.write( "Distance between two drivers = 162.5+212.5 = 375 km \n" ); document.write( " \n" ); document.write( " |