To pass a Math course with grade of 2.0 or better, Marianne must have an average of 85 or more. Her grades on three tests are 82, 81 and 79. Let x be the score. Write a mathematical sentence representing the score that Marianne must get on the fourth test to obtain an average of 85 or better for the course.
To pass a Math course with grade of 2.0 or better, Marianne must have an average of 85 or more. Her grades on three tests are 82, 81 and 79. Let x be the score. Write a mathematical sentence representing the score that Marianne must get on the fourth test to obtain an average of 85 or better for the course.
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter3: Solving Equation And Problems
Section3.4: Using Equations To Solve Problems
Problem 32P
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To pass a Math course with grade of 2.0 or better, Marianne must have an average of 85 or more. Her grades on three tests are 82, 81 and 79. Let x be the score. Write a mathematical sentence representing the score that Marianne must get on the fourth test to obtain an average of 85 or better for the course.
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