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

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