A balance diagram going from 1 to 9. There is one circle above 4, 5, 6, and 9. Brian has 5 marbles, Sarah has 9 marbles, Jimi has 4 marbles, and Juan has 6 marbles. They want to redistribute the marbles so that each person has the same number of marbles. If the marbles are redistributed, then how many should each person get? Each person should get marbles.