The percent increase is 125 %
Solution:
Given that the past the price of popcorn at a movie theatre increased from $2.00 to $4.50
To find: percent increase
The percent increase between two values is the difference between a final value and an initial value, expressed as a percentage of the initial value.
The percent increase is given as:
[tex]\text { percent increase }=\frac{\text { final value - initial value}}{\text { initial value }} \times 100[/tex]
Here initial value = 2 and final value = 4.50
Substituting the values in above formula, we get
[tex]\text{ Percent increase } = \frac{4.50-2}{2} \times 100\\\\\text{ Percent increase } =\frac{2.5}{2} \times 100 = 125[/tex]
Thus percent increase is 125 %