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Posted Under: Zong on Sep 3, 2000

How much time do you approximately save by increasing the speed from 70 to 80 km/h over a stretch of 10 km?

Justification

Driving at 80 km/h means that you will travel 10 km in 7 and a half minutes ((10/80)*60)

Driving at 70 km/h means that you will travel 10 km in 8 and a half minutes ((10/70)*60)

By increasing your speed you therefore save about 1 minute per 10 km.

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