To find the percentage reduction in price, we can use the formula for percentage change:
\[ \text{Percentage reduction} = \left( \frac{\text{Original Price} - \text{New Price}}{\text{Original Price}} \right) \times 100 \]
Here, the original price is $24, and the new price is $20.
First, calculate the amount of reduction:
\[ \text{Reduction} = 24 - 20 = 4 \]
Now, plug the values into the formula:
\[ \text{Percentage reduction} = \left( \frac{4}{24} \right) \times 100 \]
Calculating the fraction:
\[ \frac{4}{24} = \frac{1}{6} \approx 0.1667 \]
Now multiplying by 100 to find the percentage:
\[ 0.1667 \times 100 \approx 16.6667 \]
Thus, the percentage reduction in the price of the shoes is approximately:
\[ 16.7 \]
So the price of the pair of shoes was reduced by 16.7%.