jcallier2018 jcallier2018
  • 03-05-2019
  • Mathematics
contestada

Working together, Katherine and Marina can sand a large cabinet in 2 hours. It would take Katherine 10 hours to do the job alone.

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brainiac224
brainiac224 brainiac224
  • 03-05-2019

I'm not sure what you're asking but they each took 5 hours of work into one hour..

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