Discrete Mathematics
# Grid Walking

If Anna only moves right or up or down, and isn't allowed to retrace her steps, how many ways does she have to get to Ben?

If I were to travel only north and east, how many routes did I have to get to the castle?

If I were to travel only north and east, how many routes did I have to get to the castle?

How many distinct paths consisting of steps only right or down are possible from \(P\) to \(Q\)?

If I were to travel only north and east, how many routes did I have to get to the castle?

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