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

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