https://file.aiquickdraw.com/mathbot/file/1726192527019oiof8y5y.jpg

Let's work through the problems in the image step by step:

### Part a:
Piper needs to buy **320 ping-pong balls** and they come in **sets of 16**.

To find how many sets Piper should buy, we divide the total number of balls by the number of balls per set:

\[
\text{Number of sets} = \frac{320}{16} = 20
\]

So, Piper needs to buy **20 sets** of ping-pong balls.

### Part b:
If **1 set of 16 ping-pong balls costs $8**, we can find out how much it will cost for **320 ping-pong balls** (which is 20 sets).

To find the total cost:

\[
\text{Total cost} = 20 \times 8 = 160
\]

So, it will cost **$160** for 320 ping-pong balls.

Would you like more details on any part of the solution?

Here are 5 related questions to expand your understanding:
1. How would the total cost change if a set of ping-pong balls contained 20 balls instead of 16?
2. What if Piper only needed 240 ping-pong balls? How many sets would they need to buy, and what would be the cost?
3. If the price per set increased by 50%, how much would Piper pay for 320 ping-pong balls?
4. How many more sets would Piper need if they wanted 400 ping-pong balls instead of 320?
5. If Piper had a budget of $200, how many ping-pong balls could they buy?

**Tip:** When working with word problems, always check if you need to divide or multiply, depending on whether you are trying to find the total number of sets or the total cost.

Piper needs to buy 320 new ping-pong balls for the team. Ping-pong balls come in sets of 16. a) How many sets of ping-pong balls should Piper buy? b) If one set of 16 ping-pong balls costs $8, how much will 320 ping-pong balls cost?

Learn how to calculate the number of ping-pong ball sets Piper should buy when needing 320 balls in sets of 16. Also, find out how much it will cost if each set costs $8. Suitable for Grades 4-6.

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