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

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It takes Nicole 9 hours to sew a blazer by herself. If Abi helps her, they will take 3 hours to sew the blazer. How long will Abi take to sew the blazer by herself? Express your answer in mixed number.