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

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