Question
It takes Elyse 9 hours to sew a blazer by herself. If Diana helps her, they will take 5 hours to sew the blazer. How long will Diana take to sew the blazer by herself? Express your answer in mixed number.
3 m

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It takes Elyse 9 hours to sew a blazer by herself. If Diana helps her, they will take 5 hours to sew the blazer. How long will Diana take to sew the blazer by herself? Express your answer in mixed number.