First, let's subtract the sold, from the pencils the had.
14,000-8,000=6,000
Now we write this as a fraction
6,000/14,000
Lastly, we simplify.
6,000/14,000=3/7
There is your answer. The answer is that they have 3/7 of the pencils left.
Hope I helped, and if I did, than please vote brainliest!