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Calculating Final Test Score Needed for a 'B' Average

A student has completed four tests with grades of 90%, 88%, 93%, and 85%. To achieve a course average between 80% and 90% (a 'B'), the student must determine the minimum score required on the final test. This problem involves calculating the necessary final test score that would ensure the average after five tests meets the 'B' criteria.

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Calculating Final Test Score Needed for a 'B' Average

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  1. example 6 Course Grades Chapter 2.4 A student has taken four tests and has earned grades of 90%, 88%, 93%, and 85%. If all 5 tests count the same, what grade must the student earn on the final test so that his course average is a B (that is, so his average is at least 80% and less than 90%)? 2009 PBLPathways

  2. A student has taken four tests and has earned grades of 90%, 88%, 93%, and 85%. If all 5 tests count the same, what grade must the student earn on the final test so that his course average is a B (that is, so his average is at least 80% and less than 90%)?

  3. A student has taken four tests and has earned grades of 90%, 88%, 93%, and 85%. If all 5 tests count the same, what grade must the student earn on the final test so that his course average is a B (that is, so his average is at least 80% and less than 90%)? Let x be the score on the final test. Average is

  4. A student has taken four tests and has earned grades of 90%, 88%, 93%, and 85%. If all 5 tests count the same, what grade must the student earn on the final test so that his course average is a B (that is, so his average is at least 80% and less than 90%)? Let x be the score on the final test. Average is

  5. A student has taken four tests and has earned grades of 90%, 88%, 93%, and 85%. If all 5 tests count the same, what grade must the student earn on the final test so that his course average is a B (that is, so his average is at least 80% and less than 90%)? Let x be the score on the final test. Average is

  6. A student has taken four tests and has earned grades of 90%, 88%, 93%, and 85%. If all 5 tests count the same, what grade must the student earn on the final test so that his course average is a B (that is, so his average is at least 80% and less than 90%)? Let x be the score on the final test. Average is

  7. A student has taken four tests and has earned grades of 90%, 88%, 93%, and 85%. If all 5 tests count the same, what grade must the student earn on the final test so that his course average is a B (that is, so his average is at least 80% and less than 90%)? Let x be the score on the final test. Average is

  8. A student has taken four tests and has earned grades of 90%, 88%, 93%, and 85%. If all 5 tests count the same, what grade must the student earn on the final test so that his course average is a B (that is, so his average is at least 80% and less than 90%)? Let x be the score on the final test. Average is

  9. A student has taken four tests and has earned grades of 90%, 88%, 93%, and 85%. If all 5 tests count the same, what grade must the student earn on the final test so that his course average is a B (that is, so his average is at least 80% and less than 90%)? Let x be the score on the final test.

  10. A student has taken four tests and has earned grades of 90%, 88%, 93%, and 85%. If all 5 tests count the same, what grade must the student earn on the final test so that his course average is a B (that is, so his average is at least 80% and less than 90%)? Let x be the score on the final test.

  11. A student has taken four tests and has earned grades of 90%, 88%, 93%, and 85%. If all 5 tests count the same, what grade must the student earn on the final test so that his course average is a B (that is, so his average is at least 80% and less than 90%)? Let x be the score on the final test. 94 44

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