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Mathematics, 05.12.2019 18:31 aprilnicky4110

Stella, roberto and candace are putting together small model kits. stella can put a kit together in 45 minutes, while it takes roberto 36 minutes. when all three of them work together, they can complete a kit in 12 minutes. which equation can be used to calculate how long it will take candace to put a kit together if she works alone?

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