Question
The average number of scones in Box X, Box Y and Box Z is 41. Box X has 23 scones. The number of scones in Box Y is thrice the number of scones in Box Z. What is the number of scones in Box Z?
2 m

Click button first when a symbol is required. X

The average number of scones in Box X, Box Y and Box Z is 41. Box X has 23 scones. The number of scones in Box Y is thrice the number of scones in Box Z. What is the number of scones in Box Z?