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UNO [17]
3 years ago
10

Dirk can clean a playground in 5 hours. Geralyn can clean a playground in only 4 hours. Which of the following can be used to de

termine the amount of time it would take for Dirk and Geralyn to clean a playground together?

Mathematics
1 answer:
lesantik [10]3 years ago
7 0
The answer is inthe pic

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