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Mathematics, 05.11.2019 14:31, Jbutler15
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?
a.) 120
b.) 40
c.) 24
d.) 20
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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jannette can repair a refrigerator in 60 minutes. liza can repair a refrigerator 20 minutes faster....
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