Question
The average number of biscuits in Box X, Box Y and Box Z is 44. Box X has 42 biscuits. The number of biscuits in Box Y is four times the number of biscuits in Box Z. What is the number of biscuits in Box Z?
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The average number of biscuits in Box X, Box Y and Box Z is 44. Box X has 42 biscuits. The number of biscuits in Box Y is four times the number of biscuits in Box Z. What is the number of biscuits in Box Z?