Question

An airplane traveling east has a tailwind, and its speed is 550 + x mi/h. When the airplane flies west, it has a headwind and travels at 550 – x mi/h. If it takes 5 hours to travel from the West Coast to the East Coast of the United States and 6 hours to travel the same path from the East Coast to the West Coast, what is the value of x?
since distance = speed * time,
5(550+x) = 6(550-x)
so solve for x
50

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