Question

There are 500 fish in a pond, to 1sf. What is the least possible number of fish that could be taken from

the pond so that there are 400 fish in the pond to 1sf

Answer 1

one

Explanation:

The least number of fish COULD be 450 ....this would be 500 to 1 S.F.

if you take ONE fish away there are then 449 which would be 400 to 1 S.F