Problema Solution
To earn a B in the course, a student must get at least a 80 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 82, 71, 88, and 78. What is the lowest the student can earn on the final and still get a B in the course?
Answer provided by our tutors
Let 'x' represent the score on the final exam.
(82 + 71 + 88 + 78 + 2x)/6 = 80
........
click here to see the equation solved for x
........
x = 80.5
The lowest the student can earn on the final and still get a B is 80.5.