Three sizes of cereal are sold.Size Weight (g) Price (GBP) Small 250 0.80 Medium 800 3.20 Large 1000 3.60
Which size has the lowest price per 100 g?
Answer and explanation
Correct answer: C. Small
- Step 1: Divide each price by the weight in hundreds of grams. Step 2. Small: 0.80 / 2.5 = 0.320, Medium: 3.20 / 8 = 0.400, Large: 3.60 / 10 = 0.360. Small is lowest. Answer: Small. Why not the others: Medium costs 0.400 per 100 g, higher than 0.320; Large costs 0.360 per 100 g, higher than 0.320; the prices per 100 g are not equal.
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