Respuesta :

111% increase
Equation:
 3.49x = 3.89
  x = 11%

Answer:

Increase percentage : 11.5 %.

Step-by-step 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 : [tex]\frac{increase\ value}{original\ value}*100[/tex],

Plugging the values

Increase percentage : [tex]\frac{0.40}{3.49}*100[/tex].

Increase percentage : 11.46 %

Rounded value : 11.5%.

Therefore, Increase percentage : 11.46 %.

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