The farthest objects in our universe discovered by modern astronomers are so distant that light emitted by them takes billions of years to reach the earth. What is the distance in km of a quasar from which light takes 3 billion years to reach us?

Hey friends I am sujatha from akkalaredypalle of kakapo district the woman in the picture is my mother she carries potable water for us from the stream which is 4 km away from our village it is very difficult to walk all the way by carrying the water pots it takes lot of time also but it is very essential for us as we can't do anything without water so we use water previously what do you think after listening to Sujata's story?