For the school play, tickets cost $8 for adults and $3.50 for kids under 12. How many total tickets would someone get if they purchased 7 adult tickets and 21 kids tickets? How many total tickets would someone get if they purchased a,a adult tickets and kk kids tickets?

Total tickets, 7 adult tickets and 21 kids tickets: 

Total tickets, a,a adult tickets and kk kids tickets:

For the total number of tickets purchased, we simply add the number of adult tickets and kids tickets together.

1. **Total tickets for 7 adult tickets and 21 kids tickets:**

\[
\text{Total tickets} = 7 + 21 = 28
\]

So, the total number of tickets is **28**.

2. **Total tickets for $a$ adult tickets and $kk$ kids tickets:**

\[
\text{Total tickets} = a + kk
\]

So, the total number of tickets is **$a + kk$**.

Would you like more details or have any questions about this?

### Related Questions:
1. What would be the total cost for 7 adult tickets and 21 kids tickets?
2. How would you express the total cost in terms of $a$ adult tickets and $kk$ kids tickets?
3. If someone buys 5 adult tickets and 10 kids tickets, how many tickets are left if the venue allows only 30?
4. How does the total cost change if the price for kids’ tickets increases by $0.50?
5. What is the total number of tickets for 8 adults and 15 kids?

### Tip:
When adding algebraic expressions, make sure to combine like terms for simplicity and clarity.

For the school play, tickets cost $8 for adults and $3.50 for kids under 12. How many total tickets would someone get if they purchased 7 adult tickets and 21 kids tickets? How many total tickets would someone get if they purchased a,a adult tickets and kk kids tickets?

Learn how to calculate the total number of tickets for a school play by adding adult and kids tickets. The example involves 7 adult tickets and 21 kids tickets. Suitable for students in Grades 4-6, this problem reinforces basic arithmetic and addition.

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