Question

Explain how rates and unit rates are alike and how they are different.

Answer 1

A rate compares quantities that are measured with different units. Unit rates are rates, so they also compare quantities that are measured with different units. However, unit rates compare a quantity to exactly one of another quantity.

This is the sample response on edge 2021 <3

Answer 2

Rates are a ratio with a time unit. And when rates are expressed as a quantity of 1, then it is a unit rates.

Some examples:

5 feet / 3 seconds

Because there is a time unit in the ratio, it is a rate.

60 km / h

The rate has one unit of time. So, it is a unit rate.