Passenger changes

1. At the fourth stop, 56 passengers boarded and some disembarked. Find out whether the total number of passengers increased or decreased, and by how much.
2. At the fifth stop, 37 passengers boarded. The net change in passengers at the fifth stop was −8. How many passengers got off at the fifth stop?
3. At the sixth stop, 44 passengers disembarked. The net change in passengers at the sixth stop was +13. How many passengers boarded at the sixth stop?

Final Answer:

a =  18
b =  45
c =  57

Step-by-step explanation:

a=5638=18
b=37+8=45
c=44+13=57



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