A segment is 3 units long. it is divided into 9 parts. what fraction of a unit are 2 parts pf the segmant ?

Number of parts in a segment = 9 parts

So, length of each part = $\frac{3}{9}=\frac{1}{3}$ unit

Therefore, length of 2 parts of a segment = $2\times \frac{1}{3}=\frac{2}{3}$ unit

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