Answer:
6.8%.
Step-by-step explanation:
Given:
Jessica grade average increased from an 82 to an 88 over a 3-week period.
Question asked:
What was the percent increase in her average grade over in her average grade over the 3-week period?
Solution:
Old average grade of Jessica = 82
New average grade of Jessica = 88
To find the percent increase in her average grade, we will use :-
[tex]Percent\ increase=\frac{new\ average\ grade-old\ average\ grade }{new\ average\ grade} \times100[/tex]
[tex]=\frac{88-82}{88} \times100=\frac{6}{88} \times100=\frac{600}{88} =6.81[/tex]
Therefore, the percent increase in her average grade over the 3-week period was 6.8%.
