The equation shows the relationship between the total cost of gasoline and the number of gallons purchased is c = 1.89n which is correct option (A).
What is equation?
The equation is the defined as mathematical statements that have a minimum of two terms containing variables or numbers is equal.
The total cost of gasoline varies directly with the number of gallons purchased.
Edie pays $22.68 for 12 gallons of gasoline
To determine the equation shows the relationship between the total cost of gasoline and the number of gallons purchased
The cost (c) = $22.68
The number of gallons purchased (n) = 12
The cost (c) divided by number of gallons purchased (n) is equal to 1.89
So, (22.68)c/(12)n = 1.89
⇒ c = 1.89n
Hence, the equation shows the relationship between the total cost of gasoline and the number of gallons purchased is c = 1.89n.
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