On a violin achievement test, the final score is made up of 75% performance, 10% sight reading, and 15% written theory. Samantha earned an average score of 90 on performance, 95 on sight reading, and 82 on written theory. What was Samantha's final score for the violin achievement test? Enter your answer as a decimal in the box.

Question

Mathematics

Tori

22 September, 13:00

On a violin achievement test, the final score is made up of 75% performance, 10% sight reading, and 15% written theory. Samantha earned an average score of 90 on performance, 95 on sight reading, and 82 on written theory. What was Samantha's final score for the violin achievement test? Enter your answer as a decimal in the box.

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Answers (1)

Know the Answer?

Sydnee Orr · Answer 1

Answer: 89.3

Working:

((90 / 100) x 75) + ((95 / 100) x 10) +

((82 / 100) x 15) = 89.3

Therefore, the score is 89.3

I don't know how to explain why but it's kind of like

e. g. performance result = 90% of 75% of final score