Three sizes of cereal are sold.Size Weight (g) Price (GBP) Small 500 1.80 Medium 600 2.04 Large 1000 3.20
Which size has the lowest price per 100 g?
Answer and explanation
Correct answer: D. Large
- Step 1: Divide each price by the weight in hundreds of grams. Step 2. Small: 1.80 / 5 = 0.360, Medium: 2.04 / 6 = 0.340, Large: 3.20 / 10 = 0.320. Large is lowest. Answer: Large. Why not the others: Small costs 0.360 per 100 g, higher than 0.320; Medium costs 0.340 per 100 g, higher than 0.320; the prices per 100 g are not equal.
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