juanyjuan2000osuivg juanyjuan2000osuivg
  • 20-08-2017
  • Mathematics
contestada

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?

Respuesta :

sheree2 sheree2
  • 20-08-2017
It would take 1hr because if you subtract the hrs
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