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.
Answers: 2
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Working alone, Kathryn can oil the lanes in a bowling alley in nine hours. Jimmy can
oil the same l...
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