7) A

Firstly, we must see the planes that are able to travel 5600 miles. C, E and F can be ruled out since their capacity is less than 5600 miles.
This is not a trick question and there is no need for calculations. The fuel consumption column is divided into two columns: fuel consumption on empty plane and additional per passenger. The easiest way to get to the answer is to select the option which has the lowest value for each of the two columns. 3 is lowest in empty plane column and 0.01 for additional per passenger column. Therefore, ‘A’ is the answer.

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