Question
Bag Y and Bag Z contained a total of 85 buttons. After 16 buttons were transferred from Bag Y to B, Bag Z contained four times as many buttons as Bag Y. How many buttons were there in Bag Y at first?
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Bag Y and Bag Z contained a total of 85 buttons. After 16 buttons were transferred from Bag Y to B, Bag Z contained four times as many buttons as Bag Y. How many buttons were there in Bag Y at first?