Data Sufficiency

Khalil drove \(120\) kilometers in a certain amount of time. What was his average speed, in kilometers per hour, during this time?

(1) If Khalil had driven at an average speed that was \(5\) kilometers per hour faster, his driving time would have been reduced by \(20\) minutes.
(2) If Khalil had driven at an average speed that was \(25\%\) faster, his driving time would have been reduced by \(20\%.\)

Answer: A

Source: Official Guide