A transcontinental jet travels at a rate of x – 100 mph with a headwind and x + 100 mph with a tailwind between - The Beat The GMAT Forum

A transcontinental jet travels at a rate of x – 100 mph with a headwind and x + 100 mph with a tailwind between Wavetown and Urbanio, two cities 3,200 miles apart. If it takes the jet 2 hr 40 minutes longer to complete the trip with a headwind, then what is the jet’s rate flying with a tailwind?

(A) 500

(B) 540

(C) 600

(D) 720

(E) Cannot be determined by the information given.

OA C

Source: Magoosh

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