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To estimate the cost of one phone case, you can follow this process:

### Given:
- Dylan buys **18 phone cases** for **£240.30**.

### Step 1: Estimate the total cost.
- Round **£240.30** to a nearby simple number, say **£240** for easier calculations.

### Step 2: Estimate the cost of one phone case.
- Divide the total cost by the number of phone cases:
  \[
  \frac{£240}{18} = £13.33
  \]

### Conclusion:
The estimated cost of one phone case is approximately **£13.33**.

Would you like more details or have any questions?

Here are some related questions:
1. What would the exact cost per phone case be if you used the precise total of £240.30?
2. How would the cost change if Dylan bought 20 phone cases for £240?
3. If the total price was £250 instead of £240.30, what would the cost per phone case be?
4. How much would it cost if Dylan bought 25 phone cases instead of 18?
5. Can you estimate the cost of two phone cases instead of one?

**Tip**: When estimating, rounding the numbers to simpler values can make calculations much faster.

Dylan buys 18 identical phone cases for £240.30. Estimate the cost of one phone case. Show your working.

Learn how to estimate the cost of one phone case when Dylan buys 18 identical phone cases for £240.30. This problem involves estimation, division, and rounding techniques. Ideal for students in Grades 6-8.

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