On a recent 250-mile trip, felicia averages 50 mph over the first 125 miles. what should be her average speed for the second half of her trip, if she wants to average 60 mph over the whole trip?

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.