The table shows the probability distribution of Pamela seeing red cars and green cars on her way to office. Pamela can expect to see__
red cars and __
green cars on her way to office.

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? $$