16Hit1600
Information and IdeasVery hardRecognising a rate that fell while a count rose

Information and Ideas practice question

A town's library: 2014: 8,000 residents, 2,000 library members 2024: 12,000 residents, 2,400 library members

Which statement is best supported by the data?

  1. A. The number of members rose, but the share of residents who are members fell from 25% to 20%.Correct
  2. B. The share of residents who are members rose.
  3. C. The number of members fell.
  4. D. The town's population fell.

Answer: A. The number of members rose, but the share of residents who are members fell from 25% to 20%.

2,000 of 8,000 is 25%; 2,400 of 12,000 is 20%.

Why the other answers are wrong

B. The share of residents who are members rose.
The share fell.
C. The number of members fell.
Members rose from 2,000 to 2,400.
D. The town's population fell.
Population rose from 8,000 to 12,000.

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