devinhadley4 devinhadley4
  • 26-11-2018
  • Mathematics
contestada

If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take for both of them to paint the house together? *

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cndscd
cndscd cndscd
  • 28-11-2018

it should take 2 hours



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