https://file.aiquickdraw.com/mathbot/file/17293720554506jziimoh.jpg

Let's analyze the image's data and solve the problem step by step.

### Provided Information:
- 20 customers purchased a desktop computer last month.
  - All but 4 of them purchased the service plan, so 16 customers bought the service plan (20 - 4 = 16).
  - Thus, 4 customers did not purchase the service plan for desktop computers.

- 50 customers purchased a notebook computer last month.
  - All but 3 of them purchased the service plan, so 47 customers bought the service plan (50 - 3 = 47).
  - Therefore, 3 customers did not purchase the service plan for notebook computers.

### Filling in the Blanks:
We need to find the percentages of customers who did **not** purchase the service plan and complete the sentence.

- **For desktop computers**: 4 out of 20 customers did not purchase the service plan.
  - Percentage: \((4 / 20) \times 100 = 20\%\)

- **For notebook computers**: 3 out of 50 customers did not purchase the service plan.
  - Percentage: \((3 / 50) \times 100 = 6\%\)

### Complete Sentence:
"Last month, customers of the store who purchased **desktop** computers were less likely to purchase the service plan. That is because **20%** did not purchase the service plan, whereas only **6%** of the customers who bought **notebook** computers did not purchase the service plan."

Would you like more details, or do you have any questions?

Here are 5 related questions to expand on this:
1. How can we calculate the total percentage of customers who purchased a service plan across both categories?
2. What is the probability of randomly selecting a customer who purchased a service plan for a notebook computer?
3. How would the percentages change if the total number of customers purchasing service plans increased by 10%?
4. How could we compare the purchase rates for the service plan between different product categories over multiple months?
5. What factors might affect customers' decisions to purchase service plans for notebooks vs desktops?

**Tip**: When calculating percentages, always divide the part by the whole and then multiply by 100 for the correct percentage.

The records of a computer retail store show that out of the 20 customers who purchased a desktop computer last month, all but 4 also purchased a service plan that extends the warranty for an extra year. Out of the 50 customers who purchased a notebook computer last month, all but 3 purchased the same service plan. Fill in the blanks below to make the most reasonable statement possible.

Learn how to calculate percentages for customers who did not purchase a service plan for desktop and notebook computers. This problem involves simple percentage calculation based on sales data. It is suitable for students in Grades 6-8.

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