Rate is a ratio that compares two quantities of different units.

More About Rate

Unit Rate: Unit rate is a rate in which the second term is 1.
For example, Jake types 10 words in 5 seconds.
Jake's unit rate is the number of words he can type in a second.
His unit rate is 2 words per second.

Examples of Rate

20 oz of juice for $4, miles per hour, cost per pound etc. are examples of rate.

Video Examples: Rate of Change

Solved Example on Rate

Ques:"4 lb of meat costs $5." Identify the two rates given by the statement.

Choices:

A. and
B. and
C. and
D. none of these

Correct answer: A

Solution:

Step 1: Rate is a ratio that compares two quantities of different units.