It takes 28 minutes for 7 people to paint 7 walls.
How many minutes does it take 14 people to paint 14 walls?
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Answer:
It should take 56 minutes.
Step-by-step explanation:
At first it takes 28 minutes for 7 people to paint 7 walls.
However the number of walls and people increases by 2
So the answer should increase by 2.
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