In the 2016 presidential election, 30 states went to the Republican candidate and 20 states went to the democratic candidate. Of the 30 states that went Republican, 29 were in the continental United States. Of the 20 states that went democratic, 19 are in the continental United States. One state is selected at random.

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?