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Mathematics, 08.06.2021 21:10 sierravick123owr441

If it takes Laine 3 hours to wash the windows of one house, Leslie 4 hours to wash the same windows, and Lance 5 hours to wash the same windows, how long would it take them all working together to wash the windows on THREE houses? PLEASE help 3.8 hours

0.08 hours

5 hours

2.6 hours

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