I think the lady with the crock pot has the answer.
I delivered meat & buns for 100 person graduation lunch a few weeks ago. Was 25 pounds of cooked meat which worked out to be 6 big ole butts.
We cooked a few days ahead of time and reheated in foil pans.
-Captain of Barkin Dawgs BBQ
-KCBS Judge #21924
-36" Kingfisher Combo
-New Braunfels Bandera (rescued)
-Weber 22.5" Kettle (rescued)
-A homemade trailer cooker
-Concession trailer nicknamed "The Dawg House"