Let’s solve this step by step.
Liam spent $50 on supplies. That’s his cost — he has to make at least that much back just to break even.
He sells each cookie for $2. So if he sells x cookies, he makes 2x dollars from sales.
His profit is how much money he has left after paying back the $50 he spent. So:
Profit = Money from sales – Cost
→ Profit = 2x – 50
He wants his profit to be
more than $80. So we write:
2x – 50 > 80
Now let’s solve it.
Step 1: Add 50 to both sides to get rid of the -50.
2x – 50 + 50 > 80 + 50
→ 2x > 130
Step 2: Divide both sides by 2 to find x.
2x / 2 > 130 / 2
→ x > 65
So Liam needs to sell
more than 65 cookies.
That means 66, 67, 68, etc. — but not 65 or less.
Final Answer:
x > 65
Parent Tip: Review the logic above to help your child master the concept of one step inequalities word problems worksheet.
