Question
It takes Julie 7 hours to sew a jumpsuit by herself. If Kimberly helps her, they will take 4 hours to sew the jumpsuit. How long will Kimberly take to sew the jumpsuit by herself? Express your answer in mixed number.
3 m

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It takes Julie 7 hours to sew a jumpsuit by herself. If Kimberly helps her, they will take 4 hours to sew the jumpsuit. How long will Kimberly take to sew the jumpsuit by herself? Express your answer in mixed number.