Question

Alvin has some marbles in a box. He keeps 1/3 of them and gives the remainder to Joyce and Sean. Joyce gets 5/8 of the remainder. What fraction of the marbles does Sean get?

Answer 1

n marbles

n/3 ---> Alvin

2 n /3 ---> J and S

(5/8)(2n/3) ---> J
so
(3/8)(2n/3) ----> S

which is (1/4)n

Answer 2

patience, patience , plug and chug