How many hours does the bus take to travel?


Posted January 14th, 2009 by admin 1 Comment »
travel
Ashley Durban SA asked:


A bus travels 200 km at a constant speed. A car travelling 10 km/h faster than the bus, completes the same distance in 1 hour less than the bus.

4.1 How many hours does the bus take to travel the 200 km?

4.2 What is the speed of the car?

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Posted in Mathematics | 1 Comment »

How fast must he travel for the second half of the trip?


Posted January 14th, 2009 by admin 7 Comments »
travel
txgurl asked:


A truck travels 15 mph for the first half of the distance of a trip. The driver wants to average 30 mph for the whole trip. How fast must he travel for the second half of the trip?

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Posted in Mathematics | 7 Comments »