It takes 54 minutes for 4 people to paint 6 walls.
how many minutes does it take 6 people to paint 7 walls?

Given the statement: It takes 54 minutes for 4 people to paint 6 walls minutes per wall

Since, it takes 4 people 9 minutes to paint 1 wall

Each person paints of the wall in 9 minutes

Each person paints of the wall in 1 minute at the same rate.

then;

6 people paint of 1 wall in 1 minute

⇒ Number of minutes it takes 6 people to paint 1 wall = 6 minutes

It takes 6 people 6 minutes to paint 1 wall

It takes 6 people minutes to paint 7 walls

Therefore, it takes 42 minutes for 6 people to paint 7 walls.

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step-by-step explanation:

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