At what speed does a 950 kg compact car have the same kinetic energy as a

20,000 kg truck going 23 km/hr? At what speed does a 950 kg compact car have the same kinetic energy as a 20,000 kg truck going 23 km/hr?

I have no Idea how to do this, I tried to use the KE equations but am not getting the right answers.
please show me your steps, and attempt to answer some of my other physics questions.