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

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