The thrust line of a flying boat is 1.6 m above the line of drag. The mass of the vehicle is 25000 kg. The lift-to-drag

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The thrust line of a flying boat is 1.6 m above the line of
drag. The mass of the vehicle is 25000 kg. The lift-to-drag ratio
of the complete aircraft is 5 in straight and level flight. If
there is to be no force on the tail, how far must the center of
pressure of the wings be in front of the center of gravity in SI
units? Round off your answer to the hundredths place. Indicate only
the numeric value of your response.