ajanirowe ajanirowe

14-12-2021
Mathematics

contestada

After 8 examinations, Kacey's average was 55. Her next result increased her average to 60. What was the next score?

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musiclover10045 musiclover10045

14-12-2021

Multiply the average by the number of exams to find total points:

8 x 55 = 440

9 x 60 = 540

The score of the 9th exam is the difference between the two totals:

540 - 440 = 100

They scored a 100

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