There are 546 students at Lincoln School. On Mondays, 327 students have art class. The rest have music class. (1) Find $$ 546-327 $$. First regroup a ten. Write the new ones. Then subtract. (2) How many students have music class?

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Let's solve the problem step by step.

### Step 1: Find $$ 546 - 327 $$

To perform the subtraction $$ 546 - 327 $$, we can regroup a ten from the hundreds place.

1. **Regrouping**: 
   - We have 546, which can be thought of as 500 + 40 + 6.
   - We can take 10 from the 40, making it 30, and add it to the 6, making it 16. 
   - So, we now have 500 + 30 + 16.

2. **Now we can subtract**:
   - We will subtract 327 from 516.
   - Let's break it down:
     - Subtract the hundreds: $$ 500 - 300 = 200 $$
     - Subtract the tens: $$ 30 - 20 = 10 $$
     - Subtract the units: $$ 16 - 7 = 9 $$

3. **Combine the results**:
   - Now, we add the results of the three parts: $$ 200 + 10 + 9 = 219 $$

So, $$ 546 - 327 = 219 $$.

### Step 2: How many students have music class?

To find out how many students have music class, we can use the result from the first part:

- Total students = 546
- Students with art class = 327

The number of students with music class is:
$$
\text{Students with music class} = \text{Total students} - \text{Students with art class} = 546 - 327 = 219
$$

Thus, the number of students who have music class is **219**.
219 students have music class.

There are 546 students at Lincoln School. On Mondays, 327 students have art class. The rest have music class. (1) Find \( 546-327 \). First regroup a ten. Write the new ones. Then subtract. (2) How many students have music class?

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