20. Tupac bought a new video game. While he learned how to play, he played 5 games and had a combined score of 325 points. Write and find the value of an expression for the average number
of points he lost in the first 5 games.

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?