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Mrs. Conley asks her class what kind of party they want to have to celebrate their excellent behavior. Out of all the students in the class, 5 want an ice cream party, 7 want a movie party, 10 want a costume party, and the rest are undecided.
If 20%, percent want an ice cream party, how many students are in the class?

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If 5 students are 20% of the class, multiply 5 by 5 since 20*5=100, so the answer is 25.

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