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Question

The boiling point of water at sea level is 212 degrees Fahrenheit ( F). For every increase of 1,000 feet above sea level, the boiling point of water drops approximately 1.84∘ F. Which of the following equations gives the approximate boiling point B, in  F, at h feet above sea level?

  1. B = 212 - 1.84h
  2. B = 212 - (0.00184)h
  3. B = 212h
  4. B = 1.84 (212) - 1,000h

The correct answer is: B = 212 - (0.00184)h


    HINT: From the information provided, frame the equation.
    Complete step by step solution:
    Given that, boiling point of water at sea level = 212°F
    Drop of boiling point of water for every increase of 1000 feet = 1.84°F
    So, drop of boiling point at height h = straight h over 1000 (1.84)
    Hence approximate boiling point (B) at h feet above sea level = 212 space minus space straight h over 1000 (1.84)
    So, B = 212 - (0.00184) h
    Hence option B is the correct answer

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