Explore BrainMass

Mathematics - Algebra

An aircraft with a constant speed in still air travels 4200 km with a constant tailwind in 3 hours. With the same wind now against the aircraft, it takes 4 hours to make the return trip. What was the speed of the aircraft in still air, in km/hr?

Solution Preview

Let the speed in still air be x km/hr.

With tailwind, speed of the ...

Solution Summary

A Complete, Neat and Step-by-step Solution is provided.