To determine how many dozen donuts the junior class needs to sell to make at least $1,000, you can set up the inequality based on the price they are selling the donuts for.
The price of one dozen donuts is $12, so if
Now, to find the minimum number of dozen donuts they need to sell, divide both sides of the inequality by 12:
Calculating the right side:
Since they cannot sell a fraction of a dozen donuts, they would need to sell at least 84 dozen donuts.
So, the correct response is:
12d ≥ 1000 and 84