Posted by **Christina** on Wednesday, October 31, 2012 at 3:34pm.

If you are flying to a city 800 miles away, what will be the difference in flight times between flying into a 40-mph headwind and flying with a 40-mph tailwind if the plane's maximum speed with no wind is 160 mph?

- math -
**Steve**, Wednesday, October 31, 2012 at 4:52pm
assuming you actually do fly at maximum speed, and recalling that time = distance/speed,

800/(160-40) - 800/(160+40)

= 800/120 - 800/200

= 2.666 hours, or 2 hr 40 min

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