Question
PSLE
The graph shows the number of hard drives sold from July to October. The number of hard drives sold in August is equal to the average number of hard drives sold from July, September and October. Find the number of hard drives sold in August.

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PSLE
The graph shows the number of hard drives sold from July to October. The number of hard drives sold in August is equal to the average number of hard drives sold from July, September and October. Find the number of hard drives sold in August.