A car travels in a northward direction for a total distance of 512 km. The car completes this trip in 6 hrs. After resting the driver makes the return trip, the return trip only takes 5.5 hours. What is the average speed of the car over the entire trip?

Answer 1

1024/11.5 = ______ mph

You forgot to include the times he was stopped by the police for greatly exceeding the speed limit.

Answer 2

That's 1024 km/11.5 = ? km/hr which works out to be about 55 mph. No speeding ticket today. :-)

Answer 3

Thanks, DrBob!

I goofed and didn't read carefully.