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arianna needed to determine how many guests she would have at her birthday party. She is inviting all of the students in her class. There are 9 girls and 12 boys. She drew the following model. Do you agree or disagree? Explain.

arianna needed to determine how many guests she would have at her birthday party. She-example-1

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That is incorrect because ariana is supposed to add the students in her classroom not multiply the girls and the boys.

User Gabriel Pires
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