Mathematics · Averages
A student takes 4 subjects in a year. The weights and marks for the first semester are as below: - Math: Weight = 0.3, Marks = 85 - History: Weight = 0.2, Marks = 90 - Chemistry: Weight = 0.4, Marks = 78 - English: Weight = 0.1, Marks = 95 In the second semester, the student scored 5 more marks each in Math and Chemistry and 5 less marks each in History and English, with the weights remaining the same. What is the overall weighted average for the entire academic year?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 185.2✓
- 286.3
- 386.9
- 485.7
Correct answer
85.2
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