https://file.aiquickdraw.com/mathbot/file/1726001036807j3sap2ih.jpg

I see that you have uploaded an image with several math questions. I’ll begin by addressing each question from the image one by one. If you'd like me to focus on a specific question or set of questions, please let me know!

Let’s start with a few of the questions shown in the image:

### Question 15:
- **"There are 40 students in a class. Girls make up 40% of the class. 25% of the girls wear glasses. How many girls in the class wear glasses?"**
  
  Solution:
  - Number of girls in the class = $40\% \times 40 = 0.4 \times 40 = 16$
  - Number of girls who wear glasses = $25\% \times 16 = 0.25 \times 16 = 4$
  
  **Answer:** 4 girls wear glasses.

### Question 16:
- **"A man bought a calf for $200 and sold it for $250. What was his gain as a percentage of the cost price?"**
  
  Solution:
  - Gain = Selling price - Cost price = $250 - 200 = 50$
  - Percentage gain = $\frac{50}{200} \times 100 = 25\%$

  **Answer:** The gain was 25%.

### Question 17:
- **"If $350 is shared in the ratio 2:5, the LARGER share is:"**
  
  Solution:
  - The total ratio is $2 + 5 = 7$
  - Larger share = $\frac{5}{7} \times 350 = 250$
  
  **Answer:** The larger share is $250.

Would you like me to continue solving the remaining questions or focus on any specific ones?

### 5 Related Questions:
1. What would be the smaller share in the ratio 2:5 in Question 17?
2. How do you calculate the percentage of loss instead of gain?
3. How would the answer to Question 15 change if the percentage of girls wearing glasses was 30%?
4. What is the importance of understanding ratios in financial problems?
5. How can you express profit and loss as decimals rather than percentages?

**Tip:** When solving percentage problems, always relate the percentage to the original value before performing the calculations.

There are various math questions related to percentages, ratios, sets, and Venn diagrams. For example, one question asks about calculating the percentage of girls in a class wearing glasses, and another question asks for a Venn diagram interpretation.

Solve various math problems involving percentages, ratios, sets, and Venn diagrams. Learn how to calculate the percentage of girls wearing glasses, find the larger share in a ratio, and work with set theory and Venn diagrams. Suitable for students in Grades 8-10.

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