Student at a university makes money by buying and selling used cars Charles bought a used car and later sold it for 20% profit if he sold it for 4590 how much Charles pay for the car

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?