a hat has 20 cards in it. On each card is written the name of one of the three people. Mike has twice as many cards with his name than jane, and jane has 4 more cards then Eric. If a card is pulled out of the hat at random, what is the probability that it has Eric's name on it?
There are 10 children in jim's family including jim and his brother Andy. If two of the children are randomly chosen to eat at the head of the table, what is the probability that jim is chosen first and Andy is chosen second?
There are 10 children in jim's family including jim and his brother Andy. If two of the children are randomly chosen to eat at the head of the table, what is the probability that jim is chosen first and Andy is chosen second?