### Petrol Prices

Weekly Problem 28 - 2009
How much does $u$ litres of unleaded cost in terms of the cost per litre of 4 star petrol?

# Roman Distances

##### Stage: 3 Short Challenge Level:
See all short problems arranged by curriculum topic in the short problems collection

In ancient Rome they used the following units of length:
5 pedes = 1 passus,

The atrium (courtyard) of Marcus' home was a square with each side 50 pedes long.

How many times did Marcus have to walk round his atrium to complete his daily exercise of 8 stadia?