genesismonoe78211 genesismonoe78211
  • 03-04-2024
  • Mathematics
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An airplane flies 900 km with a tailwind and then returns the same distance against the wind. The round-trip lasts 7 hours. If the airplane's speed in still air is 280 km/hr the equation to model this situation is 900/280+w + 900/280-w =7. Use this equation to determin the speed of the wind (w).

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