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3 years ago

15

Liz is a student in Ms. Xu's class. Liz says to her classmates, "Of all the pairs of students Ms. Xu can choose as class leaders

, I am included in one-tenth of those pairs." How many students are in Ms. Xu's class?

1 answer:

RideAnS [48]3 years ago

5 0

I think it's 20 students

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