Question
It takes Kylie 8 hours to sew a vest by herself. If Cathy helps her, they will take 5 hours to sew the vest. How long will Cathy take to sew the vest by herself? Express your answer in mixed number.
3 m

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It takes Kylie 8 hours to sew a vest by herself. If Cathy helps her, they will take 5 hours to sew the vest. How long will Cathy take to sew the vest by herself? Express your answer in mixed number.