There's no proper reason. It was defined as such. Taking 1 as the denominator we can compare between two things easily like:
Two trains are moving with following parameters
Now at unit (means one) hour
it is a denominator of 1 unit
That is known as a unit rate.
unit rate someone said this in class pretty sure the right answer.
Yes, but it is customary to express it as 2 seconds per foot. The denominator - or second measure - usually takes the value 1 in a unit rate.
Find an equivalent ratio so that the denominator = 1. This may require the numerator to be a fraction.
A unit rate always has a 1 as a denominator.
A unit rate is a ratio in which the numerator or denominator is 1 unit.
It is a unit rate.
It is the unit rate.
It is the definition of a unit rate.
It is a unit rate.
it is a denominator of 1 unit
If the numerator is 1, it's a unit rate.
It is a unit rate.
The unit rate.
It is a unit rate.
It is a unit rate.