Question
Three girls, Winnie, Natalie and Fiona had a total of 360 buttons. Some exchanges were made. First, Winnie gave Natalie as many buttons as Natalie had. After that, Natalie gave 15 of whatever she had then to Fiona. Finally, Fiona gave 13 of whatever she had to Winnie. As a result, they each had the same number of buttons. How many buttons did Winnie have at first?
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Three girls, Winnie, Natalie and Fiona had a total of 360 buttons. Some exchanges were made. First, Winnie gave Natalie as many buttons as Natalie had. After that, Natalie gave 15 of whatever she had then to Fiona. Finally, Fiona gave 13 of whatever she had to Winnie. As a result, they each had the same number of buttons. How many buttons did Winnie have at first?