We are given that Bernie spends $6.50 on ingredients and cups for his lemonade stand. He charges $1.50 for each cup of lemonade. Inequality that represents this situation: .
To find number of cups x to make a profit of at least $20 we will use our given inequality.
Therefore, in order to make a profit of at least $20 Bernie need to sell 18 cups of lemonade.
The answer is 9 cups of lemonade.
BTW, the inequality is wrong. You put -6.50 when it is supposed to be +6.50.
Hope this helps!<3
In order for Bernie to make a profit of at least 20$ then he would need to sell 18 cups, meaning X would have to be 18.
(You add 6.50 because Bernie spends 6.50 on ingredients so you have to make more than it to make profit at all)
Divide 26.50 by 1.50
You get 17.66666
Estimate to get 18