The table below shows the total votes and valid votes for Village A over three different years:

| Year | Total Votes | Valid Votes |
|-------|-------------|-------------|
| 2000 | 2500 | 2250 |
| 2005 | 3800 | 3250 |
| 2010 | 3400 | 3000 |

What is the approximate average number of invalid votes in Village A over these years?

Question

The table below shows the total votes and valid votes for Village A over three different years:

| Year | Total Votes | Valid Votes |
|-------|-------------|-------------|
| 2000  | 2500        | 2250        |
| 2005  | 3800        | 3250        |
| 2010  | 3400        | 3000        |

What is the approximate average number of invalid votes in Village A over these years?

Accepted Answer

**Solution:**

1. Calculate the invalid votes for each year by subtracting valid votes from total votes:
   - For 2000: $2500 - 2250 = 250$
   - For 2005: $3800 - 3250 = 550$
   - For 2010: $3400 - 3000 = 400$

2. Find the average of these invalid votes:
   $$	ext{Average} = \frac{250 + 550 + 400}{3} = \frac{1200}{3} = 400$$

**Answer:** $400$

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