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sammy5592

  • 3 years ago

An airplane flew 3 hours with a 40 mph head wind. The return trip with a tail wind of the same speed took 2 hours. Find the speed of the plane in still air. 180 mph 200 mph 220 mph 240 mph

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  1. sammy5592
    • 3 years ago
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    @shaik0124

  2. ghazi
    • 3 years ago
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    (U+W) *3=S (U-W)*2=S

  3. shaik0124
    • 3 years ago
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    240mph

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