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Nanyang 2025 P6 Maths Prelim — Paper 2 Q16b Solution

Paper 2 · Q16b · 1 mark · Data Analysis

Question

Mr Tan sold each bag for $\$18$. For every 2 bags sold to a customer, a third bag was given free. On Saturday, for every bag sold to a customer, a second bag was given free. How much money was collected from the sale of bags on Tuesday?
Answer: $72

Worked solution

  1. From the graph, the number of bags that left the store on Tuesday is $8$. For every 2 bags sold, 1 is free, so the $8$ bags consist of groups of 3 ($2$ sold $+ 1$ free): there are $\ldots$ bags sold. Money collected $= \$72$.

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