Respuesta :
Approximately 520 cards actually sold this year in the class, more than 505, have fulfilled their objective.
According to the question,
If the students sell c cards the,
The total revenue,
- 20c
The total production costs,
- 0.2c
`
The inequality of profit, or income, which is less than 10 thousand dollars represents their objective, such as:
→ [tex]20c-0.2c>10,000[/tex]
→ [tex]19.8c>10,000[/tex]
→ [tex]c > \frac{10,000}{19.8c}[/tex]
→ [tex]c> 505.05[/tex]
or,
→ [tex]c>505[/tex]
The class had to sell more than 505 cards just to meet their goals.
Thus the above answer is right.
Learn more:
https://brainly.com/question/8846865