Information and IdeasHardChoosing the correct per-unit comparison
Information and Ideas practice question
Two farms' egg production last week:
Farm P: 180 hens, 900 eggs
Farm Q: 120 hens, 720 eggs
A farmer claims that Farm Q's hens laid more eggs per hen than Farm P's. Which choice most effectively uses data from the table to support the claim?
- A. Farm Q's hens laid 6 eggs each (720 ÷ 120), compared with 5 each at Farm P (900 ÷ 180).Correct
- B. Farm P produced more eggs than Farm Q.
- C. Farm Q has fewer hens than Farm P.
- D. Farm Q produced 720 eggs.
Answer: A. Farm Q's hens laid 6 eggs each (720 ÷ 120), compared with 5 each at Farm P (900 ÷ 180).
Per hen requires dividing eggs by hens for both farms.
Why the other answers are wrong
- B. Farm P produced more eggs than Farm Q.
- Totals point the other way and ignore flock size.
- C. Farm Q has fewer hens than Farm P.
- Flock size alone says nothing about eggs per hen.
- D. Farm Q produced 720 eggs.
- A count without a rate.
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