The appropriate conversion factor is 1 gallon/110 square feet and approximately 3 gallon of paint is required to paint the wall.
Conversion factor is a number that is used to convert one number ito another by multiplying or dividing.
We have been given that wall is 300 square feet and 1 gallon of paint covers 110 square feet.
Conversion factor will be 1 gallon/110 square feet.
Number of gallons of paint to required to paint the wall=
=Size of wall/Coverage of 1 gallon of paint.
=300/110
=2.72
Approximately 3 gallons of paint.
Hence to paint of wall having height 300 square feet is 3 gallons of paint.
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