# How many km has the car travelled?

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A car journey is spread over five hours.

In the first hour one third of the total distance is covered.

The next hour, the car completes one third of the remaining distance.

The following hour one quarter of the remainder is covered and in the last hour the car covers half of the remaining distance.

There is now 10 km remaining.

How many km has the car travelled?

posted Jul 30, 2015
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