Question
Peter had 5 more black buttons than gold buttons at first. His father then gave him 11 black buttons and his colleagues gave him 100 gold buttons for Christmas. Peter realised that he now had four times as many gold buttons as black buttons. How many buttons did Peter have in the end?
4 m

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Peter had 5 more black buttons than gold buttons at first. His father then gave him 11 black buttons and his colleagues gave him 100 gold buttons for Christmas. Peter realised that he now had four times as many gold buttons as black buttons. How many buttons did Peter have in the end?