Answer:
9
Step-by-step explanation:
The answer is b.
This is because the line is sloping downwards, and so y = -1
6.75 cups of cleaner is needed to be mixed with 13.5 gal of water
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Equation</h3>
An equation is an expression used to show the relationship between two or more variables and numbers.
Given that 1/2 cup of cleaner should be mixed with 1 gal of warm water.
Therefore for 13 1/2 (13.5) gal of water:
Amount of cleaner = 13.5 gal of water * 1/2 cup of cleaner per 1 gal of water
Amount of cleaner = 6.75 cups
6.75 cups of cleaner is needed to be mixed with 13.5 gal of water
Find out more on Equation at: brainly.com/question/18831322