Grade Calculation


Q. 21. To earn an A in a course, a student must get at least a 90 average on four tests and a final exam, with the final exam weighted twice that of any one test. If the four test scores are 93, 69, 89, and 97, what is the lowest score the student can earn on the final exam and still get an A in the course?

(93 + 69 + 89 + 97 + 2x ) / 6 = 90


348 + 2x = 90 * 6


Therefore x = 96

Student needs a lowest grade of 96 to get at least 90 average in all subjects



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