https://file.aiquickdraw.com/mathbot/file/1725658843182lvdd98qs.png

Let's analyze the image for the water bill calculation.

### Given Data:
- **Previous Reading**: 23,757 kL
- **New Reading**: 24,647 kL
- **Water Rate**: $2.50 per kL
- **Meter Rental**: $25 per month

We are asked to calculate:
1. The variable cost of the bill.
2. The fixed cost of the bill.
3. The total cost of the water bill.

### Solution:

#### (a) Variable Cost of the Bill:
The variable cost depends on the amount of water used, which is:
\[
\text{Water Usage} = \text{New Reading} - \text{Previous Reading} = 24,647 \, \text{kL} - 23,757 \, \text{kL} = 890 \, \text{kL}
\]
Now, multiply the water usage by the rate per kL:
\[
\text{Variable Cost} = 890 \, \text{kL} \times 2.50 \, \text{\$/kL} = 2,225 \, \text{\$}
\]

#### (b) Fixed Cost of the Bill:
The fixed cost is the monthly meter rental, which is given as:
\[
\text{Fixed Cost} = 25 \, \text{\$}
\]

#### (c) Total Cost of the Water Bill:
The total cost is the sum of the variable and fixed costs:
\[
\text{Total Cost} = \text{Variable Cost} + \text{Fixed Cost} = 2,225 \, \text{\$} + 25 \, \text{\$} = 2,250 \, \text{\$}
\]

### Final Answers:
- **(a) Variable Cost**: $2,225
- **(b) Fixed Cost**: $25
- **(c) Total Cost**: $2,250

Would you like further clarification on any part of this? Here are some related questions:

1. How would the cost change if the water rate increased to $3.00 per kL?
2. What would happen if the meter rental was billed quarterly instead of monthly?
3. How does the variable cost impact the total bill as water usage increases?
4. Could the fixed cost ever be more than the variable cost? Under what conditions?
5. What would the total cost be if no water was used during the billing period?

**Tip**: To better manage water bills, tracking consumption trends can help predict future costs.

The information below is taken from a water bill for the month of July.
Previous Reading: 23,757 kL
New Reading: 24,647 kL
Water Rate: $2.50 per kL
Meter Rental: $25 per month
Calculate:
(a) the variable cost of the bill.
(b) the fixed cost of the bill.
(c) the total cost of the water bill.

Learn how to calculate a water bill based on variable and fixed costs. This problem uses readings of 23,757 kL and 24,647 kL with a water rate of $2.50 per kL and a meter rental of $25. Suitable for Grades 6-8.

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