Respuesta :

Answer:

9.0625%

Step-by-step explanation:

It increased from 320 to 349

This is a percent INCREASE.

320 is the "old" value and 349 is the "new" value.

We find percent increase by the formula:

[tex]\frac{New-Old}{Old}*100[/tex]

Where old is 320 and new is 349. Lets substitute and find the increase (percentage):

[tex]\frac{New-Old}{Old}*100\\=\frac{349-320}{320}*100\\=\frac{29}{320}*100\\=9.0625[/tex]

The percentage increase is 9.0625%

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