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

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