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Grazes

  • 3 years ago

In the figure above, a path from point A to point B is determined by moving upward or to the right along the paths. How many different paths are possible from A to B that do not pass through the point X?

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  1. Grazes
    • 3 years ago
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    |dw:1344899881223:dw|

  2. Herp_Derp
    • 3 years ago
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    11, using a tree diagram.

  3. Herp_Derp
    • 3 years ago
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    And the fact that \(\#u=\#r=3\)

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