February 20, 2017

Homework Help: maths

Posted by karen on Saturday, April 7, 2012 at 10:40am.

If a van travels for a distance of 18 km at an average speed of 75 km/h and then for a distance of 63 km at an average speed of 90 km/h, what is the total time for the journey in minutes, to the nearest minute?

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