Ally has 25 pieces of gum. his brother john has 7 times more than ally. how much does john have? what if ally has 30 pieces of gum and she wanted to share it equally with her 4 friends( plus her which makes it 5). how much will each friend get?

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.