document.write( "Question 110994: In a race, Car A starts 1 mile behind Car B. Car A is traveling at 55 mph, while Car B is traveling at 40 mph. How long will it take for Car A to overtake Car B? \n" ); document.write( "
Algebra.Com's Answer #81003 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! THE DIFFERENCE IN SPEEDS IS 55-40=15 MPH \n" ); document.write( "THE DIFFERENCE IN THE MILEAGE IS 1. \n" ); document.write( "AT 15 MPH IT TAKES 1/15 HOUR TO COVER 1 MILE. \n" ); document.write( "1/15 HOUR=X/60 MINUTES \n" ); document.write( "1/15=X/60 \n" ); document.write( "15X=60 \n" ); document.write( "X=60/15 \n" ); document.write( "X=4 MINUTES FOR CAR A TO CATCH CAR B. \n" ); document.write( "40(4/60)=160/60=16/6=8/3=2.667 MILES \n" ); document.write( "55(4/60)=220/60=11/3=3.667 MILES \n" ); document.write( "SO IN 4 SECONDS THE FASTER CAR COVERS 3.667 WHILE THE SLOWER CAR COVERS 2.667 MILES. \n" ); document.write( " |