asked 181k views
3 votes
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 determine the amount of time it would take for Dirk and Geralyn to clean a playground together?

asked
User Mhep
by
8.8k points

1 Answer

4 votes
It would take 1hr because if you subtract the hrs
answered
User Pavle
by
8.5k points
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