DAY 01

Comment

There are 7 x 24 hours in a week.

Answer

24 litres.

Readers' methods

Dawn B, Doncaster DN5:
In one day the tap leaks 24 / 7 litres of water, or 3 3/7 litres.
So in a week it leaks 7 x 3 3/7 litres, which is 21 + 3 litres, which is 24 litres.

Pupils from Holgate Comprehensive School, Hucknall, Nottinghamshire:

24 x 7 = 168; 168 / 7 = 24

1/7 x 24 x 7 = 24