Mr. Jones administered a test to the students in each of his three Algebra II classes. The

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Mr. Jones administered a test to the students in each of his three Algebra II classes. The average (arithmetic mean) of all the students in his classes was 82.8. What is the average for his Period 8 class?

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McGraw Hills Conquering SAT Math

ISBN: 9780071493413

2nd Edition

Authors: Robert Postman, Ryan Postman

Question Posted: Jul 30, 2023 02:12 AM

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Mr. Jones administered a test to the students in each of his three Algebra II classes. The

Question:

Number of students Class average A. 80 B. 81 C. 82 D. 83 E. 84 Period 1 16 85 Period 7 19 80 Period 8 15 ?

Step by Step Answer:

E Write an equation for the mean of all the students Us...View the full answer

McGraw Hills Conquering SAT Math

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