Matt Dillon Works for a Production Facility That Makes Ball

Short Answer

Matt Dillon works for a production facility that makes ball point pens. His job is to place the spring on the central ink insert. He is expected to process 200 inserts per hour. The factory uses a Kanban production system with containers that hold 50 inserts. It takes 30 minutes for Frank to receive the inserts from the previous work station. How many Kanbans are needed?