To evaluate Fiona's statement, we first need to analyze the bar diagram with 7 shaded squares and 3 unshaded squares.
The total number of squares (shaded + unshaded) is 7 + 3 = 10 squares.
To find the percentage of the model that is shaded, we calculate:
\[ \frac{\text{shaded squares}}{\text{total squares}} = \frac{7}{10} \]
To convert this fraction to a percentage, we multiply by 100:
\[ \frac{7}{10} \times 100 = 70% \]
Therefore, Fiona's claim that 7% of the model is shaded is incorrect.
The correct conclusion would be:
No, because \(\frac{7}{10}\) parts shaded equals 70%.
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