Citizen B877 - Page 22

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5. Fuel consumption calculation
Question: How much fuel is consumedin 6 hours at a fuel consumption rate
of 250 gallons per hour?
Solution: Align the 25 of the outside scale with the inside scale’s SPEED
INDEX ( ▲ ) of the inside scale. The 6:00 is aligned with 15, and
the answer is 1500 gallons.