Information and IdeasHardChoosing the per-unit comparison
Information and Ideas practice question
Two vineyards last harvest:
Vineyard R: 20 hectares, 100 tonnes of grapes
Vineyard S: 8 hectares, 48 tonnes of grapes
A grower claims that Vineyard S produced more grapes per hectare than Vineyard R. Which choice most effectively uses data from the table to support the claim?
- A. Vineyard S produced 6 tonnes per hectare (48 ÷ 8), compared with 5 per hectare at Vineyard R (100 ÷ 20).Correct
- B. Vineyard R produced more grapes than Vineyard S.
- C. Vineyard S is smaller than Vineyard R.
- D. Vineyard S produced 48 tonnes.
Answer: A. Vineyard S produced 6 tonnes per hectare (48 ÷ 8), compared with 5 per hectare at Vineyard R (100 ÷ 20).
Per hectare requires dividing tonnes by hectares for both.
Why the other answers are wrong
- B. Vineyard R produced more grapes than Vineyard S.
- Totals point the wrong way and ignore area.
- C. Vineyard S is smaller than Vineyard R.
- Area alone says nothing about yield per hectare.
- D. Vineyard S produced 48 tonnes.
- A total without a rate.
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