SOLUTION: Sally was able to drive an average of 20 miles per hour faster in her car after the traffic cleared. She drove 16 miles in traffic before it cleared and then drove another 108 mile

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Sally was able to drive an average of 20 miles per hour faster in her car after the traffic cleared. She drove 16 miles in traffic before it cleared and then drove another 108 mile      Log On

            SPEED     TIME          DISTANCE

TRAFFIC        r       16/r           16

CLEAR         r+20     108/(r+20)     108

Total                    4