Problema Solution

Keiko bicycles 5 km/h faster than Pradeup. In the same time it takes Praedup to bycycle 51 km, Keiko can bicycle66km. how fast does each bicyclist travel?

Answer provided by our tutors

51/v =66/(v+5).

=> 66v = 51v+255.

=> 15v =255.

=> v= 17.(Pradeup's speed)

Keiko bicycles at 22km/h