Pie Chart Analysis – Marathon Participants

Pie Chart Analysis – Marathon Participants

Secondary 1

The pie chart shows the distribution of different age groups in a marathon with \(1080\) participants.

  1. Calculate the percentage of adults in the marathon.

There are twice as many elderly participants as children’s participants.

  1. Find the size of the angle representing children’s participants in the pie chart.
  2. Find the number of the elderly participants in the marathon.

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Answer:(a) \(44\frac{4}{9}\%\) (b) \(25^\circ\) (c) \(150\) elderly participants

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