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You are preparing for a 5-day backpacking trip where you plan to use a gasoline cook stove for about 30 min each morning and night. The description of your cook stove brags that the stove can warm 1 L of water to boiling in about 12 min.

(a) Estimate the minimum amount of gasoline you should take on your trip.

(b) Explain why the assumptions you made in your calculation for part a mean that the amount of gas you actually need will probably be somewhat larger.

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