Question
Lucy put 702 buttons in three boxes W, X and Y. Box W and Box X contained a total of 407 buttons. Box X and Box Y contained a total of 587 buttons. How many buttons were there in Box W and Box Y altogether?


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Click button first when a symbol is required. X

Lucy put 702 buttons in three boxes W, X and Y. Box W and Box X contained a total of 407 buttons. Box X and Box Y contained a total of 587 buttons. How many buttons were there in Box W and Box Y altogether?