There is a 15.9% increase in the price.
Step-by-step explanation:
New price = $3.65
Old price = $3.15
Difference = New price - Old price
Difference = 3.65 - 3.15 = $0.50
The positive sign indicates the increase
[tex]Percent\ increase=\frac{Differece}{Old\ value}*100\\\\Percent\ increase=\frac{0.50}{3.15}*100\\\\Percent\ increase=\frac{50}{3.15}\\\\Percent\ increase=15.87\%[/tex]
Rounding off to nearest tenth
Percent increase = 15.9%
There is a 15.9% increase in the price.
Keywords: increase, percentage
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