The paint needed for the entire wall is 9/4 gallons.
Given:
The 3/4 gallons of paint are required to cover 1/3 portion of the wall.
To find:
The paint needed for the entire wall.
Solution:
The volume of the paint required to cover 1/3 portion of wall = 3/4
The volume of paint required to cover the entire wall:
\(=\frac{3}{4}\times \frac{3}{1}\\\\=\frac{9}{4} gallon\)
The paint needed for the entire wall is 9/4 gallons.
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