## Thinking Mathematically (6th Edition)

$25.5 \text{ acres}$
Convert by multiplying $\dfrac{1 \text{ acre}}{0.4 \text{ ha}}$ to obtain: $\require{cancel} =10.2 \cancel{\text{ ha}} \cdot \dfrac{1 \text{ acre}}{0.4 \cancel{\text{ ha}}} \\=\dfrac{10.2}{0.4} \text{ acre} \\=25.5 \text{ acres}$