c6allemhoverybel c6allemhoverybel
  • 22-10-2016
  • Mathematics
contestada

One person can mow a field in 52 minutes and a second can mow the same field in 40 minutes. how long would it take the two of them to mow the field together?

Respuesta :

SJ2006
SJ2006 SJ2006
  • 22-10-2016

It would be:1/x =  1/40+1/52 = 13+10/520 = 23/520

x = 520/23 = 22.60 minutes

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