We can calculate e the amount of euros that has the same amount as d u. s dollars, using the equation e = 17/20 how many euros have the same value as 1 u. s dollar? how many u. s dollars have the same value as 1 euro?

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?