A teacher has an average score of 85 in her class of 20 students. If one student scores 95, what will be the new average if the student is removed from the class? (2023)
Practice Questions
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Q1
A teacher has an average score of 85 in her class of 20 students. If one student scores 95, what will be the new average if the student is removed from the class? (2023)
84
85
86
87
Total score = 85 × 20 = 1700. New total score = 1700 - 95 = 1605. New average = 1605 / 19 = 84.47, which rounds to 84.
Questions & Step-by-step Solutions
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Q
Q: A teacher has an average score of 85 in her class of 20 students. If one student scores 95, what will be the new average if the student is removed from the class? (2023)
Solution: Total score = 85 × 20 = 1700. New total score = 1700 - 95 = 1605. New average = 1605 / 19 = 84.47, which rounds to 84.
