Chalktown High School had their prom last weekend. There were 123 students who attended. If 3 students attended on their own, how many couples came to the prom?
Thoughts? Step-by-step reasoning:
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There were 123 students – 3 single attendees = 120 students in couples. 120 students / 2 in a couple = 60 couples.
Thus, the answer is 60.
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