Give the step-by-step reasoning process and then the final answer. A tiger shark has 180 teeth. A hammerhead shark has 1/6 the number of teeth that a tiger shark has. A great white shark has double the sum of teeth of a tiger shark and a hammerhead shark. How many teeth does a great white shark have?
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Hammerhead shark:180 / 6 = 30. Great White:2(180 + 30) = 420 teeth.
The final answer: 420.
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