Pradnya exercises regularly by walking along a circular path on a field. If she walks a distance of 3.825 km in 9 rounds of the path, how much does she walk in one round?

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Solution

Total distance walked by Pradnya in 9 rounds of the path = 3.825 km

∴ Distance walked by Pradnya in one round of the path = Total distance walked by Pradnya in 9 rounds of the path ÷ 9

= 3.825 km ÷ 9

= $\frac{3825}{1000} \div \frac{9}{1}$

= $\frac{3825}{1000} \times \frac{1}{9}$

= $\frac{425}{1000}$

= 0.425 km

Thus, the distance walked by Pradnya in one round is 0.425 km.

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