Question
Erika had 54 more buttons than Anna at first. Anna gave 13 of her buttons to Erika. Erika now has 3 times as many buttons as Anna. How many buttons did Anna have at first?
2 m

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Erika had 54 more buttons than Anna at first. Anna gave 13 of her buttons to Erika. Erika now has 3 times as many buttons as Anna. How many buttons did Anna have at first?