Alexa has a lemonade stand where she sells lemonade for $2 for one cup. If she spent $20 on ingredients, how many cups of lemonade does she need to sell to make a profit of $80?
Thoughts? Step-by-step reasoning:
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To make a profit of $80, she needs to make $80 + $20 = $100. She needs to sell $100 / $2 = 50 cups of lemonade.
Thus, the answer is 50.
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