Question
PSLE
The graph shows the number of massage chairs sold from January to April. The number of massage chairs sold in April is equal to the average number of massage chairs sold from January to March. Find the number of massage chairs sold in April.

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PSLE
The graph shows the number of massage chairs sold from January to April. The number of massage chairs sold in April is equal to the average number of massage chairs sold from January to March. Find the number of massage chairs sold in April.