nshreeyana nshreeyana
  • 18-12-2020
  • Mathematics
contestada

It takes Ernie 45 hours to paint the house alone. Silene can do it in 36 hours alone. How long
would it take them to paint the house together?

Respuesta :

bsnanamamsm bsnanamamsm
  • 18-12-2020
Therefore it takes
2.4

hrs
for Sally & John to paint the house together
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