Question
It takes Tiffany 7 hours to sew a dress by herself. If Raeann helps her, they will take 3 hours to sew the dress. How long will Raeann take to sew the dress by herself? Express your answer in mixed number.
3 m

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It takes Tiffany 7 hours to sew a dress by herself. If Raeann helps her, they will take 3 hours to sew the dress. How long will Raeann take to sew the dress by herself? Express your answer in mixed number.