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

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