What is the average speed?

Dougal drove for half an hour and covered a distance of 18km. What was Dougals average speed?

Answers
To work out the speed you need to work out what he would have covered in an hour. As dougal has covered 30min, all you need to do is times it by 2 to work out the hour. if you times 18km x 2 = 36km. Dougal would have be travelling at 36 km/h
mrwolf
09 March 2011
s=d/t s=18/0.5 of an hour s=36 km/h always remember by d s t if s=d/t if t=d/s if d=s*t
x_ana_z
09 March 2011
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