Debra wants to play a game in which each player gets 4 cards. She has a total of 22 cards. How many people can play? How many cards will be remaining?

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$