Question
Sebastian put 580 buttons in three boxes Y, Z and A. Box Y and Box Z contained a total of 413 buttons. Box Z and Box A contained a total of 311 buttons. How many buttons were there in Box Y and Box A altogether?


4 m

Click button first when a symbol is required. X

Sebastian put 580 buttons in three boxes Y, Z and A. Box Y and Box Z contained a total of 413 buttons. Box Z and Box A contained a total of 311 buttons. How many buttons were there in Box Y and Box A altogether?