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The question presented in the image is:

"You buy 7 gallons of gasoline at $ p $ dollars per gallon and pay $26.88. Write an equation to find the price of one gallon of gasoline. Then find the price of one gallon of gasoline."

### Step 1: Writing the equation

Since you are buying 7 gallons of gasoline at $ p $ dollars per gallon, the total cost is the product of the price per gallon and the number of gallons. This gives the equation:
\[
7p = 26.88
\]
Here, $ p $ represents the price per gallon in dollars.

### Step 2: Solving for $ p $

To find $ p $, divide both sides of the equation by 7:
\[
p = \frac{26.88}{7}
\]

Now, let's calculate the value of $ p $.The price of one gallon of gasoline is $ p = 3.84 $ dollars.

Would you like more details or have any questions about the solution?

Here are 5 related questions for further exploration:
1. If the price of gasoline increases by 10%, what would the new price per gallon be?
2. How much would it cost to buy 10 gallons of gasoline at the same rate of $3.84 per gallon?
3. If the total cost for 7 gallons of gasoline is reduced by $5, what would the new price per gallon be?
4. How many gallons of gasoline could you buy with $50 at a rate of $3.84 per gallon?
5. If the price per gallon was $4.50, how much would 7 gallons cost?

**Tip**: When solving for unknown variables, always isolate the variable by using inverse operations like division or multiplication.

You buy 7 gallons of gasoline at p dollars per gallon and pay $26.88. Write an equation to find the price of one gallon of gasoline. Then find the price of one gallon of gasoline.

Learn how to find the price per gallon of gasoline when given the total cost and quantity. In this problem, we calculate the cost per gallon when buying 7 gallons for $26.88. This exercise demonstrates the use of basic algebraic principles suitable for Grades 6-8.

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