60. In a certain examination the average grade of all students in class A is 68.4id Students in class B is 71.2. If the average of both classes combined is 70, find theratio of the number of students in class A to the number of students in class B.0008A

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Answered: 60. In a certain examination the…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter4: Factors, Fractions, And Exponents

Section4.4: Least Common Multiple

Problem 64E

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60. In a certain examination the average grade of all students in class A is 68.4 id Students in class B is 71.2. If the average of both classes combined is 70, find the ratio of the number of students in class A to the number of students in class B. 0008 St+