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"6. According to the news, gasoline prices should decrease by $1.10 per liter in the following week. If the cost of gasoline price now is $5.40 per liter, what will it be in the following week? What would be the percentage decrease per liter?"

Let's break it down:

1. The current price of gasoline is $5.40 per liter.
2. There is an expected decrease of $1.10 per liter.
3. The problem asks for the price in the following week and the percentage decrease.

### Solution:

- **Price next week**:
  $ 5.40 - 1.10 = 4.30 $

- **Percentage decrease**:
  \[
  \frac{1.10}{5.40} \times 100 = \frac{110}{540} \times 100 = 20.37\%
  \]

So, the gasoline price next week will be $4.30 per liter, and the percentage decrease is approximately 20.37%.

Would you like more details or have any questions?

Here are 5 questions you could consider:
1. How is percentage decrease calculated?
2. What other ways can we represent the price decrease?
3. Can percentage decreases exceed 100%?
4. How would the price change if it were $6.00 per liter instead?
5. What if the price increase was given instead?

**Tip:** When working with percentages, always remember to divide the difference by the original value, not the final value.

According to the news, gasoline prices should decrease by $1.10 per liter in the following week. If the cost of gasoline price now is $5.40 per liter, what will it be in the following week? What would be the percentage decrease per liter?

Learn how to calculate the new price of gasoline after a decrease of $1.10 per liter, starting from $5.40 per liter, and determine the percentage decrease. This problem covers basic subtraction and percentage calculations suitable for Grades 6-8.

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