A ride at an amusement park has a total of 12 carts - some long and some short. The long carts can hold 10 people, the short carts can hold 4 people. One afternoon, the ride was
completely full with 78 people. How many long carts and short carts are on the ride?

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?