A bag contains 10 red and 10 blue marbles. What is the minimum
number of marbles that should be
grabbed from the bag at random so
that five marbles are of the same
color?

Barrett is comparing the membership fees for two museums. the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?