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salieri
Senior Member




Quoted from "Max"
also ich versteh die aufgabe so:
normalerweise fährt er die 72km mit 80km/h und braucht dafür 0,9h = 54 min.
nun muss er das ganze in 6 min weniger schaffen, also in 48min.
v = s/t <=> 72 km / 48min = 1,5km/min = 90 km/h
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