A gas station charges 9$ for a drive-through car wash.Write an equation that shows how the total car wash earnings, y, depends on the number of cars washed, x.Do not include dollar signs in the equation.y = ____
Q. A gas station charges 9$ for a drive-through car wash.Write an equation that shows how the total car wash earnings, y, depends on the number of cars washed, x.Do not include dollar signs in the equation.y = ____
Identify variables and relationship: Identify the variables and their relationship.The total earnings from the car wash y depend on the number of cars washed x. The cost to wash one car is $9. Therefore, the total earnings are the product of the number of cars washed and the cost per car wash.
Write the equation: Write the equation.Since the cost per car wash is $9 and the number of cars washed is x, the equation representing the total earnings y is:y=9×x
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