When 1 gallon of paint has been used, square feet of the wall will be painted. The unit rate is square feet per gallon.
When 1 gallon of paint has been used, square feet of the wall will be painted. The unit rate is square feet per gallon.
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To determine the unit rate of how many square feet of the wall are painted per gallon of paint, you need to divide the total square footage painted by the number of gallons used.
For example, if 1 gallon of paint covers 350 square feet, then the unit rate is 350 square feet per gallon.
So the specific answer depends on the given total area that 1 gallon of paint has covered.
If you have a specific number to work with, just let me know!