SOLUTION: At a high school theater production, adult tickets cost $20, and student tickets cost $10. How many tickets does the drama club need to sell in order to make at least $100 for thei

Question 864805: At a high school theater production, adult tickets cost $20, and student tickets cost $10. How many tickets does the drama club need to sell in order to make at least $100 for their spring musical? Write inequality
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
Let a and s be the number of adult/student tickets sold. We want

. Selling at least 10 tickets guarantees $100 profit, because if 9 were sold, then worst case scenario is when 9 student tickets were sold.
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