An Oil Change At City Auto Is Regularly $30 (2025)

FAQs

Which equation can be used to find the sale price of an oil change? ›

Explanation: The equation that can be used to find the sale price, s, of an oil change is option 3: s = 0.85 (30). To calculate the sale price, you multiply the original price by 0.85 (or 85% of the original price). In this case, the known value is 30 (the original price) and the unknown is s (the sale price).

1 month1000 miles​. Therefore, a total of 12 , 000 12,000 12,000 miles is driven in a year. 12000 ÷ 4000 = 3.

On an oil change window sticker or on your instrument cluster's service reminder, you'll find the next service is stated as something like “3 months or 5,000 miles”. That means you need to take both figures into consideration. It would be best thought of as “3 months or 5,000 miles, whichever is sooner”.

A sale price is the price of an item, minus any discounts. The sale price can be calculated by subtracting the dollar amount of any discount from the original price. A discount can be calculated by multiplying the percentage of the discount by the original price.

How often should you change your oil in months? It depends on the manufacturer. The old-school way was every three months, but with improvements to oil quality and engine materials, that interval can be pushed to anywhere between six and 12 months. Your owner's manual will detail the interval.

Generally, high mileage oil changes should be carried out according to the same schedule as regular oil changes, depending on your vehicle manufacturer's specifications. Carmakers typically recommend oil changes after every 5,000-7,000 miles.

You will face many issues if you don't change your engine oil. These include increased wear, worse MPG, overheating, increased emissions, clogged systems, voided warranty, decreased resale value, and potential engine failures. So, there's nothing positive to be gained from putting your oil change off.

Correct answer:

To find the answer, you must first convert the sales percentage to a decimal by moving the decimal left two places. Then, multiply the total cost by the decimal. This gives us the amount of the discount. To find the remaining cost, we subtract that number from the original cost to get the answer.

The price of your oil change will depend on a few factors, including the amount of oil required, the type of oil that is used, and the ease of performing the oil change. To determine the type of oil that's best, your technician will consult the manufacturer's recommendations and ask you for your personal preference.

Step 1: Convert the percent discount to a decimal by dividing by . Step 2: Set up the equation P = ( 1 − d ) x to find the original price of the item where is the sale price, is the discount as a decimal, and is the original price of the item.

How to find the cost of something in math? ›

The general form of the cost function formula is C ( x ) = F + V ( x ) , where F is the total fixed costs, V is the variable cost, x is the number of units, and C(x) is the total production cost.