1.   Using the directed graph, how many different routes are there to get from the Boston plant to the Worcester plant in exactly two transfers?
   
    A. 4 B. 1
    C. 2 D. 3
    Hint

  2.   Using the directed graph, what is the fewest number of transfers possible to get from the Fitchburg plant to the Lowell plant?
   
    A. 0 B. 2
    C. 1 D. 3
    Hint

  3.   How many ways can supplies be transferred directly to Fitchburg from other cities?
   
    A. 1 B. 4
    C. 2 D. 3
    Hint

  4.   How many ways can supplies be transferred directly to Providence from other cities?
   
    A. 1 B. 0
    C. 3 D. 2
    Hint

  5.   Which city has exactly two ways in which supplies can be transferred from other cities?
   
    A. Lowell B. Boston
    C. Worcester D. Providence
    Hint



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