Mathematics, 20.10.2020 20:01 aurora32

Working alone, Kathryn can oil the lanes in a bowling alley in nine hours. Jimmy can oil the same lanes in ten hours. How long would it take them if they worked together?
Round your answer to two decimal places.

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More questions: Mathematics Another questions

Working alone, Kathryn can oil the lanes in a bowling alley in nine hours. Jimmy can oil the same lanes in ten hours. How long would it take them if they worked together? Round your answer to two decimal places.

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Another question on Mathematics

Working alone, Kathryn can oil the lanes in a bowling alley in nine hours. Jimmy can oil the same lanes in ten hours. How long would it take them if they worked together?
Round your answer to two decimal places.