Quoting DeeDee

"A bartender haz a 3 pint glazz and a 5 pint glazz. A customer walks in and orders 4 pints ov seltzer wada. Without a measuring cup butz wid an unlimited zupply ov seltzer wada ow duz he getz 4 pints in eder glazz (hint: 4 pints exactly, don't say fill the 5 pint glass 4/5 full)? Theah r 2 solutions tah dais probelem."

Please note: These solutions are kind of like a "silent movie;" no words. Read them left to right, top to bottom. Try to imagine what someone has done to go from one frame to the next. What got filled? From what to what? What got emptied?

Solution A

Solution B