Question
The average number of macarons in Box U, Box V and Box W is 30. Box U has 35 macarons. The number of macarons in Box V is four times the number of macarons in Box W. What is the number of macarons in Box W?
2 m

Click button first when a symbol is required. X

The average number of macarons in Box U, Box V and Box W is 30. Box U has 35 macarons. The number of macarons in Box V is four times the number of macarons in Box W. What is the number of macarons in Box W?