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To estimate a 15% tip on a dinner bill of $49.52 by first rounding the amount to the nearest ten dollars, let's go through the steps:

1. **Round the Bill**: $49.52 rounds to $50 (nearest ten).
2. **Calculate 15% of $50**:
   \[
   0.15 \times 50 = 7.5
   \]

So, the estimated tip is **$7.50**.

Would you like more details or have any questions?

### Related Questions:
1. What would the tip be if I rounded to the nearest five dollars instead?
2. How does the tip change if the percentage is adjusted to 20%?
3. What is the exact 15% of $49.52 without rounding?
4. How do you round to the nearest dollar instead of the nearest ten?
5. How would rounding down to $40 affect the tip calculation?

#### Tip:
Rounding before calculating percentages can simplify mental math, especially with common rounding targets like $50, $100, etc.

Estimate a 15% tip on a dinner bill of $49.52 by first rounding the bill amount to the nearest ten dollars.

Learn how to estimate a 15% tip on a dinner bill of $49.52 by rounding to the nearest ten dollars. This solution involves rounding and percentage calculation, suitable for students in Grades 5-7.

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