Mrs. Roger sold 72 out of 80 crafts at the fair. What percent of her crafts did she sell

Solution:
1. Given:
- Crafts sold: 72
- Total crafts: 80

2. Calculate the percentage of crafts sold:
- Percentage sold: \left(\frac{72}{80}\right) \times 100

3. Simplify the fraction:
- = \left(\frac{9}{10}\right) \times 100

4. Multiply to find the result:
- Percentage sold: = 90\%