Who is asking: Student
If you are going to have four pints it must be in the large jug since the small jug won't hold four pints. If you could somehow get one pint you could pour it into the large jug, fill the small jug and add it to the large jug to get the required four pints. Thus the problem would be solved if you could get one pint in either jug.
The jugs hold three and five pints. I can get one from three and five by
Does this help? Let me know.Harley