On Monday, two hundred sixteen students went on a trip to the zoo. All four buses were filled, and four students had to travel in cars. How many students were in each bus?

i need both of these. plsss if anyone can help :/

How can you find the mean absolute deviation (mad) for this set of data?

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At the county fair, animals are judged for the quality of their breeding and health. the animal pens are arranged in an array, with one animal in each pen. a barn can hold at most 10 rows of pens and at most 6 pens in each row, with room for people to walk around them. what different ways can the planners of the county fair arrange the pens for the horses and cows in the same barn?