Civil Service Exam Reviewer · Percentage · hard

A final grade is computed as 60% from the midterm and 40% from the final exam. A student scored 89% in the midterm. What final exam score is needed to get a final grade of 80%?

  1. 80%
  2. 66.5%
  3. 71%
  4. 61.5%

Answer

B. 66.5%

Solution

0.6(89) + 0.4x = 80 → x = (80 − 53.4) ÷ 0.4 = 66.5%.

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