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Expression of IdeasVery hardWeighing two options for a museum

Expression of Ideas practice question

While researching a topic, a student has taken the following notes: - A museum must choose between two roofing options. - Option 1 (slate) costs £600,000 and lasts about 100 years. - Option 2 (metal) costs £250,000 and lasts about 30 years. - The museum's building is a listed historic structure that originally had a slate roof. The student wants to recommend slate while acknowledging that metal is cheaper.

Which choice most effectively uses relevant information from the notes to accomplish this goal?

  1. A. Although metal would cost £250,000 against £600,000 for slate, slate lasts three times as long and restores the roof the historic building originally had.Correct
  2. B. Slate costs £600,000.
  3. C. Metal roofs last about 30 years.
  4. D. The museum should choose slate.

Answer: A. Although metal would cost £250,000 against £600,000 for slate, slate lasts three times as long and restores the roof the historic building originally had.

Cost conceded, lifespan and history asserted.

Why the other answers are wrong

B. Slate costs £600,000.
A point against slate, alone.
C. Metal roofs last about 30 years.
A point against metal, with no recommendation.
D. The museum should choose slate.
No reasons.

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