Information and IdeasHardChoosing the correct rate comparison
Information and Ideas practice question
Two libraries last year:
Library P: 5,000 members, 60,000 loans
Library Q: 2,000 members, 30,000 loans
A librarian claims that Library Q's members borrow more books each than Library P's. Which choice most effectively uses data from the table to support the claim?
- A. Library Q's members borrowed 15 books each (30,000 ÷ 2,000), compared with 12 each at Library P (60,000 ÷ 5,000).Correct
- B. Library P had more loans than Library Q.
- C. Library Q has fewer members than Library P.
- D. Library Q had 30,000 loans.
Answer: A. Library Q's members borrowed 15 books each (30,000 ÷ 2,000), compared with 12 each at Library P (60,000 ÷ 5,000).
Per member requires dividing loans by members for both libraries.
Why the other answers are wrong
- B. Library P had more loans than Library Q.
- Totals point the wrong way and ignore membership.
- C. Library Q has fewer members than Library P.
- Membership alone says nothing about loans per member.
- D. Library Q had 30,000 loans.
- A total without a rate.
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