At a university, the probability that an incoming freshman will graduate within four years is 0.553. What is the probability that at least 60 out of a group of 100 incoming freshman will graduate in four years?

Pranav and molly are selling pies for a school fundraiser. customers can buy blueberry pies and pumpkin pies. pranav sold 6 blueberry pies and 4 pumpkin pies for a total of $106. molly sold 6 blueberry pies and 3 pumpkin pies for a total of $90. find the cost of each of one blueberry pie and one pumpkin pie