SOLUTION: the time required to make a 240 km trip by car is 2 hours less than the time required by bus. the average speed of the car is 20 km/h faster than the bus. find the average speed of

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: the time required to make a 240 km trip by car is 2 hours less than the time required by bus. the average speed of the car is 20 km/h faster than the bus. find the average speed of      Log On

                 SPEEDS      TIMES          DISTANCES

CAR               r+20       240/(r+20)     240

BUS               r         240/r           240

DIFFERENCE                    2