Question

which model shows 50%?

Explanation:

Step1: Calculate percentage of first model

Total parts = 10, shaded parts = 5. Percentage = $\frac{5}{10} \times 100\% = 50\%$.

Step2: Calculate percentage of second model

Total parts = 4, shaded parts = 3. Percentage = $\frac{3}{4} \times 100\% = 75\%$.

Step3: Calculate percentage of third model

Total parts = 10, shaded parts = 4. Percentage = $\frac{4}{10} \times 100\% = 40\%$.

Answer:

The top model (with 5 blue and 5 white parts)