Neighboring 12971

A bus driver on a route between two neighboring villages travels at an average speed of 70 kilometers per hour and takes 1/2 hour. At what speed must he go if he is 10 minutes late and wants to get to the neighboring village on time?

Correct answer:

v2 =  105 km/h

Step-by-step explanation:

v1=70 km/h t=1/2=21=0.5 h  s=v1 t=70 0.5=35 km  t2=t10/60=0.510/60=310.3333 h  v2=s/t2=35/0.3333=105 km/h

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