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

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