সাধারণ গণিত→অধ্যায় ০১ঃ পাটি গণিত→লাভ ক্ষতি

The cost of operating a Frisbee company in the first year is $10,000 plus \$2 for each Frisbee. Assuming the company sells every Frisbee it makes in the first year for \$7, how many Frisbees must the company sell to break even?