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CalebBeavers

  • 2 years ago

A man flies a small airplane from Fargo to Bismarck, North Dakota --- a distance of 180 miles. Because he is flying into a head wind, the trip takes him 2 hours. On the way back, the wind is still blowing at the same speed, so the return trip takes only 1 hour 12 minutes. What is his speed in still air, and how fast is the wind blowing?

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  1. Mertsj
    • 2 years ago
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    |dw:1348711076271:dw|

  2. Mertsj
    • 2 years ago
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    rate times time equals distance

  3. CalebBeavers
    • 2 years ago
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    (n-w)2=180 (n+w)1.2=180 --------------- 2n-2w=180 1.2n+1.2w=180 ----------------- 6n-6w=540 6n+6w=900 ---------------- 12n=1440 n=123 -------------- substitute n into one of original equations 2(123)-2w=180 w=33 did i do that right?

  4. CalebBeavers
    • 2 years ago
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    im thinking no...im so confused

  5. Mertsj
    • 2 years ago
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    Yes. You did it right. Good job!!

  6. CalebBeavers
    • 2 years ago
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    ohhh thank you for getting me started =D

  7. Mertsj
    • 2 years ago
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    yw

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