math
posted by Terry on .
Jodie bicycles 6 km/h faster than Javier. In the same time it takes Javier to bicycle 42km, Jodie can bicycle 60 km. How fast is each bicyclist traveling?

distance/rate=time
60km/(Javier+6)=42km/Javier
60km*J= 42km*J+6*42km
18J=6*42km
Javier speed= 14Km/hr 
12km