Travel speed

On a map at a scale of 1:400,000, the distance between Letohrad and Prague is 4.5 cm. What speed does Dad have to go to be in Prague at 9 o'clock when he leaves at 6 o'clock, 40 minutes?

Final Answer:

v =  7.7143 km/h

Step-by-step explanation:

s=4.5/100/1000 400000=18 t=9(6+40/60)=372.3333 v=s/t=18/2.3333=7.7143 km/h



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