We have a total of T=1/3 pounds mix.
We have to divide it in 3 equal parts. This means to divide the total in 3.
We can express this as:
[tex]\frac{T}{3}=\frac{\frac{1}{3}}{3}=\frac{1}{3}\cdot\frac{1}{3}=\frac{1}{9}[/tex]NOTE: dividing by 3 is equivalent to multiplying by 1/3.
Answer: each bag will have 1/9 pounds.