Discussion
An aircraft burns \( 2.6 \) tonnes of fuel per hour at \( 900 \) dollars a tonne. The fuel cost of a \( 4.5 \) hour sector is
Answer: A
Correct answer: 10530 dollars
Multiply the burn rate by the price and the sector length:
\[ 2.6 \times 900 \times 4.5 = 10\,530\ \mathrm{dollars} \]
The distractor \( 2340 \) omits the sector time and \( 4050 \) omits the burn rate. Fuel is typically the largest single direct operating cost and the most volatile, since it moves with the crude price and with exchange rates - which is why airlines hedge it and why a few per cent of fuel burn is worth so much in aircraft selection.
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