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

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