O'neil cinema charges $10.50 for each adult and $8.50 for each child. The total amount in ticket revenue one evening was $3136 and if there were 56 more children than adults. Write and solve a system of equations to determine how many children attended?

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.