xoally77 xoally77 01-01-2024 Mathematics contestada for+train+a,+if+the+average+speed+on+saturday+is+20%+more+than+that+on+wednesday+and+the+mean+of+the+average+speeds+over+all+the+six+days+is+67+km/hour+then+what+is+the+average+speed+on+saturday?