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Lara took a total of 63 quizzes over the course of 7 weeks. How many weeks of school will Lara have to attend this quarter before she will have taken a total of 90 quizzes? Solve using unit rates.

weeks

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Answer:

63 quizzes= 7 weeks

90 quizzes= x weeks

63x = (7)(90)

x= (7)(90)/63

x= 10 weeks

User Guilherme Trivilin
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