Question

which model shows 30%?

Explanation:

Step1: Calculate first model's percentage

The first model has 3 equal parts, 1 shaded.
$\text{Percentage} = \frac{1}{3} \times 100\% \approx 33.33\%$

Step2: Calculate second model's percentage

The second model has 10 equal parts, 3 shaded.
$\text{Percentage} = \frac{3}{10} \times 100\% = 30\%$

Step3: Calculate third model's percentage

The third model has 5 equal parts, 1 shaded.
$\text{Percentage} = \frac{1}{5} \times 100\% = 20\%$

Answer:

The middle (second) model with 3 out of 10 equal parts shaded.