Question
It takes Sabrina 9 hours to sew a coat by herself. If Jaslyn helps her, they will take 7 hours to sew the coat. How long will Jaslyn take to sew the coat by herself? Express your answer in mixed number.
3 m

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It takes Sabrina 9 hours to sew a coat by herself. If Jaslyn helps her, they will take 7 hours to sew the coat. How long will Jaslyn take to sew the coat by herself? Express your answer in mixed number.