Marco owns an ice cream truck. His ice cream cones are $5 each. If his expenses are 80% of total sales for the day, how many ice cream cones would he need to sell to make a $200 profit for the day? Let's think first. Chain of thought:
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His expenses are 80 / 100 = 4 / 5. His profit would be 20 / 100 = 1 / 5. Total sales for the day is $200 x 5 = $1000. Total ice cream cones he sells is $1000 / 5 = 200.
Therefore, the answer is 200.
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