Neil buys 30 pens, 30 pencils, 30 rulers and 30 pencil cases. Price list
pens
pencils
rulers
pencil cases
6 for 82p
15 for 45p -
10 for £1.25
37p each
What is the total amount of money Neil spends?

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?