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

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