Answer:
Increase percentage : 11.5 %.
Explanation:
Given : $3.49 to $3.89
To find : what is $3.49 to $3.89 rounded to the nearest increase percent.
Solution : We have given $3.49 to $3.89
Initial value : $3.49
Final value : $3.89
Increased value : $3.89 - $3.49 = $0 .40
Increase percentage :
,
Plugging the values
Increase percentage :
.
Increase percentage : 11.46 %
Rounded value : 11.5%.
Therefore, Increase percentage : 11.46 %.