Mathematics, 04.08.2019 09:10 Mani2019

Jannette can repair a refrigerator in 60 minutes. liza can repair a refrigerator 20 minutes faster. if they work together, how many minutes does it take them to repair the refrigerator

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Jannette can repair a refrigerator in 60 minutes. liza can repair a refrigerator 20 minutes faster....

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