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the number of minutes in that it takes to paint a wall is directly proportional to the area , a, of the wall in m2 , the equation of proportionality is n=3a , work out the area of the wall that takes 24 minutes to paint

Respuesta :

Answer:

8 m²

Step-by-step explanation:

given that the equation of proportionality is

n = 3a

where n is time in minutes and a is the area of the wall.

given n = 24 , then

24 = 3a ( divide both sides by 3 )

8 = a

That is the area of wall painted in 24 minutes is 8 m²

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