Question
PSLE
The graph shows the number of mobile phones sold from July to October. The number of mobile phones sold in October is equal to the average number of mobile phones sold from July to September. Find the number of mobile phones sold in October.

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PSLE
The graph shows the number of mobile phones sold from July to October. The number of mobile phones sold in October is equal to the average number of mobile phones sold from July to September. Find the number of mobile phones sold in October.