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Mathematics, 04.08.2019 05:50 zhjzjzzj8225

Atypesetter retyped 2/5 of a story one day, 3/10 of the story the next day and 4/15 the third day. what fraction of the story did the typesetter do in the three days?

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Atypesetter retyped 2/5 of a story one day, 3/10 of the story the next day and 4/15 the third day. w...
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