Question
It takes Kylie 7 hours to sew a coat by herself. If Raeann helps her, they will take 2 hours to sew the coat. How long will Raeann take to sew the coat by herself? Express your answer in mixed number.
3 m

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It takes Kylie 7 hours to sew a coat by herself. If Raeann helps her, they will take 2 hours to sew the coat. How long will Raeann take to sew the coat by herself? Express your answer in mixed number.