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Mathematics, 03.03.2021 14:00 olivya2005d
An electrician can wire a house in 20h. If she works with an apprentice, the same job can be completed in 12h. How long would it take the apprentice, working alone, to wire the house?
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An electrician can wire a house in 20h. If she works with an apprentice, the same job can be complet...
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