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

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