If you place one full container of flour on one pan of a balance scale and a similar container 3/4 full and a 1/3-pound weight on the other pan, the pans balance. How much does the full container of flour weigh?

Answer 1

1/4 container = 1/3 pound
4/4 container = 1 container = 4/3 pound
=
1 1/3 pound