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rwlockwood1
15.04.2020 •
Mathematics
Last year, Kristen went bowling several times and earned an average score of 84 points. This year, she improved her score to an average of 105 points. What is the percent of increase in Kristen's average score?
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Ответ:
percentage increase in Kristen's average score is = 25%
Step-by-step explanation:
Given:-
- The last year score, Si = 84 points
- This year score, Sf = 105 points
Find:-
What is the percent of increase in Kristen's average score?
Solution:-
- We are to determine the percentage increase in Kristen's average score from last year.
- The relation to develop percentage increase "%inc" is given by:
%![inc = \frac{Sf - Si }{Si}*100](/tpl/images/0603/2932/ce6f8.png)
- plug in the values:
- The percentage increase in Kristen's average score is = 25%
Ответ:
Step-by-step explanation: