L please show all work i need a to be able to understand the process

You run a pet supply company. You have 3 animals that take up different amount of space: a) you get 18 orders for hamsters take up 1 room total b) you get 100 orders for cats and they take up 50 rooms total c) you get 200 orders for dogs that take up 200 rooms total. If you lay out your warehouse optimally, how many times will you go to the room that is closest to the dock