When i subtract a number from both sides of an equation, i am doing this to keep the equation in

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?

Find two numbers if their sum is 91 and the ratio is 6: 7?

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers