Question
The average number of wafers in Box G, Box H and Box J is 30. Box G has 38 wafers. The number of wafers in Box H is thrice the number of wafers in Box J. What is the number of wafers in Box J?
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The average number of wafers in Box G, Box H and Box J is 30. Box G has 38 wafers. The number of wafers in Box H is thrice the number of wafers in Box J. What is the number of wafers in Box J?