Question

If a pipe can fill a tank in x hours, what fractional part of the tank will be filled in one hour?

Answer 1

`1/x`

Explanation:

If it takes `x` hours to fill a tank, i.e. to fill `1` tank, then in `1` hour, it'll fill `1/x` of the tank.

Answer 2

`1/x` of it

Explanation:

when we have a number instead of `x`
case 1:
if a pipe can fill a tank in 5 hrs, what fractional part will be filled in a5hrs? answer: `1/5`th of it, the answer is always `1/x`ths of it