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

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