Along distance runner starts at the beginning of a trail and runs at a rate of 4 miles per hour. one hour later, a cyclist starts at the beginning of the trail and travels at a rate of 20 miles per hour. what is the amount of time that the cyclist travels before overtaking the runner?

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?