Joseph traveled to 6 / 2 = <<6/2=3>>3 countries.

Patrick traveled to 3 * 3 = <<3*3=9>>9 countries.

So, Zack traveled to 2 * 9 = <<2*9=18>>18 countries.

# Answer

18
Question:
Zack has traveled to twice the number of countries Patrick traveled to. Patrick traveled to three times the number of countries Joseph traveled to. Joseph traveled to half the number of countries George traveled to. If George traveled to 6 countries, how many countries did Zack travel to?
Answer:
Let's think step by step.

user
18
Zack has traveled to twice the number of countries Patrick traveled to. Patrick traveled to three times the number of countries Joseph traveled to. Joseph traveled to half the number of countries George traveled to. If George traveled to 6 countries, how many countries did Zack travel to?
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