Question

Question

A store increases the price of a sweater from $20 to $22.

What is the percent of increase?

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The percent of increase is
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%.

Answer 1

To calculate the percent of increase, you can use the formula:

\[ \text{Percent of Increase} = \left( \frac{\text{New Price} - \text{Old Price}}{\text{Old Price}} \right) \times 100 \]

In this case, the old price is $20 and the new price is $22.

\[ \text{Percent of Increase} = \left( \frac{22 - 20}{20} \right) \times 100 \]

\[ = \left( \frac{2}{20} \right) \times 100 \]

\[ = 0.1 \times 100 \]

\[ = 10% \]

So, the percent of increase is 10%.