Tree Diagram: Travel Itineraries for Pietro

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Pietro has three transportation options to travel from home to Ottawa: bus, car, or train. From Ottawa to Orlando, he can choose between bus, train, or plane. This results in a total of nine possible travel itineraries when combining the choices for both legs of the journey. The tree diagram illustrates these options effectively. The conclusion confirms that the total number of choices is indeed nine.
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Homework Statement


Draw a tree diagram to illustrate the possible travel itineraries for Pietro if he can travel from home to Ottawa by bus, car, or train, and then from Ottawa to Orlando by bus, train, or plane.

The Attempt at a Solution



/bus
bus -train
\plane

/bus
. train -train
\plane

/bus
plane -train
\plane

Basically, he has 3 choices to go to Ottawa (bus, train, plane) and to go to orlando from Ottawa he has 3 more choices for each. Is this correct?
 
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Well, sure. 9 choices total, right?
 

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