lydiaj01 lydiaj01
  • 03-11-2020
  • Mathematics
contestada

QIt takes 21 minutes for 7 people to paint 7 walls

Respuesta :

2013823 2013823
  • 03-11-2020

Answer:

21 minutes divided by 7 walls = 3 minutes per wall for 5 people

Step-by-step explanation:

Assuming each worker has the same exact productivity, one person would take 15 minutes to paint a single wall (3 minutes x 5 people to get the amount of time for 1 worker per wall).

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