A person covers certain distance in 6 hours at a speed of 5 km/h and some more distance in 7 hours at a speed of 9 km/h. Find his average speed for the entire distance covered.

1
\(7\frac{2}{13}\)
2
\(6\frac{2}{13}\)
3
\(9\frac{2}{13}\)
4
\(8\frac{2}{13}\)

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