Determine the percentage change from the cost of Gasoline rose from $2.66 to $3.12

To determine the percentage change from $2.66 to $3.12, we use the percentage change formula:

\[
\text{Percentage change} = \frac{\text{New value} - \text{Old value}}{\text{Old value}} \times 100
\]

Substitute the given values:

\[
\text{Percentage change} = \frac{3.12 - 2.66}{2.66} \times 100 = \frac{0.46}{2.66} \times 100 \approx 17.29\%
\]

Thus, the percentage increase in the cost of gasoline is approximately **17.29%**.

Would you like further details or have any questions?

Here are 5 related questions:
1. How do you calculate percentage decreases?
2. What is the difference between absolute change and percentage change?
3. How does percentage increase differ from compound percentage increase?
4. How do you calculate percentage change over multiple steps (e.g., prices changing multiple times)?
5. What is the formula for calculating percentage profit or loss?

**Tip:** Always remember to express percentage change relative to the original value, as it gives a clear comparison.

Learn how to calculate the percentage increase in gasoline prices from $2.66 to $3.12 using the percentage change formula. Understand the key concepts of basic arithmetic and percentage calculations. This solution is suitable for students in Grades 6-8.

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