The figure below shows the nodes (A-I) and capacities (labelled on arcs in packages/day) of a shipping network. The firm would like to know how many packages per day can flow from node A to node I. 
What is the capacity of the connection between nodes B and E?
Definitions:
Student To Teacher Ratio
The student to teacher ratio is a measure indicating the number of students for every teacher, used to gauge the level of educational attention and resources available to students.
Suggested Retail Price
The price at which the manufacturer recommends a retailer sell a product for to consumers.
Merchandise
Goods that are bought and sold within a market or industry.
Collect Like Terms
The process in algebra of combining terms that have the same variables raised to the same power to simplify expressions or equations.
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