**A person covers 40% of the distance from A to B at 8 km/h, 40% of the remaining distance at 9 km/h and the rest at 12 km/h. His average speed (in km/h) for the journey is:** A) $$ 9\\frac{5}{8} $$ B) $$ 9\\frac{2}{3} $$ C) $$ 9\\frac{3}{8} $$ D) $$ 9\\frac{1}{3} $$ Click Link for Answer