Question
Dana, Archie and Fabian have a total of 206 marbles. Dana and Fabian have a total of 139 marbles while Archie and Fabian have a total of 140 marbles. How many more marbles does Fabian have than Dana?
4 m

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Dana, Archie and Fabian have a total of 206 marbles. Dana and Fabian have a total of 139 marbles while Archie and Fabian have a total of 140 marbles. How many more marbles does Fabian have than Dana?