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Mathematics, 06.05.2020 17:59 hannahdrees0731

If it takes Laine 2 hours to wash the windows, Leslie 4 hours to wash the same windows, and Lance 5 hours to wash the windows, how long would it take them all working together?

0.55 hours
1.1 hours
5 hours
2.2 hours

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Answers: 3

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