A group of adults (x) and kids (y) go to the theater.
There are two fewer adults
than kids, Adult tickets
cost $6 each and kid
tickets cost $2.50 each,
The total cost for the group
was $39.00 How many
kids and adults were
there?

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.