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St Nicholas 2025 P6 Maths Prelim — Paper 1 Booklet B Q21 Solution

Paper 1 Booklet B · Q21 · 2 marks · Data Analysis

Question

The line graph shows the number of vases sold in a shop over three months (June, July, August). The average number of vases sold from June to September was 190. How many vases were sold in September?
Answer: 220

Worked solution

  1. Total for June to September $= 190 \times 4 = 760$. From the graph, June, July and August total $120 + 180 + 240 = 540$. Vases sold in September $= 760 - 540 = 220$.

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