Kala is riding her bicycle. She rides 3.84 kilometers in 6 hours. What is her speed?

To find Kala's speed, we divide the distance she rides (3.84 kilometers) by the time it takes her to ride that distance (6 hours):

Speed = Distance / Time
Speed = 3.84 kilometers / 6 hours

Now, performing the division:

Speed = 0.64 kilometers/hour

Therefore, Kala's speed is 0.64 kilometers per hour.