Information and IdeasHardSupporting a claim about a ratio
Information and Ideas practice question
Saturday sales at two coffee shops:
Shop X: 300 cups of coffee, 40 pastries
Shop Y: 180 cups of coffee, 60 pastries
A reviewer claims that Shop Y sells more pastries per cup of coffee than Shop X does. Which choice most effectively uses data from the table to support the claim?
- A. Shop Y sells 60 pastries with 180 cups — one for every 3 cups — while Shop X sells 40 with 300 cups, one for every 7.5 cups.Correct
- B. Shop X sells more cups of coffee than Shop Y.
- C. Shop Y sells 60 pastries.
- D. Both shops sell more cups of coffee than pastries.
Answer: A. Shop Y sells 60 pastries with 180 cups — one for every 3 cups — while Shop X sells 40 with 300 cups, one for every 7.5 cups.
The claim is about pastries PER CUP; choice A computes that ratio for both shops.
Why the other answers are wrong
- B. Shop X sells more cups of coffee than Shop Y.
- Cup totals alone don't give pastries per cup.
- C. Shop Y sells 60 pastries.
- A count without the coffee figure it must be compared with.
- D. Both shops sell more cups of coffee than pastries.
- True, but it doesn't compare the two shops' ratios.
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