Rate and Unit Rate

Front

What is a rate?

Back

A rate is a ratio that compares two different quantities, often with different units, such as speed (miles per hour) or cost (dollars per item).

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is one unit. It tells you how much of one quantity corresponds to one unit of another quantity.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the first quantity by the second quantity. For example, if you have 120 customers in 6 hours, divide 120 by 6 to find the unit rate.

Front

If a store has 120 customers in 6 hours, what is the unit rate in customers per hour?

Back

20 customers per hour.

Front

If Antonia can type 408 words in 4 minutes, how many words can she type per minute?

Back

102 words per minute.

Front

What is the formula to find the unit price of an item?

Back

Unit Price = Total Price / Number of Units.

Front

Which is the better buy: a 12-pack of soda for $3.50 or a 6-pack for $1.80?

Back

The 12-pack is the better buy.

Front

If Will spent $3.75 for 3 pounds of granola, what is his unit rate in dollars per pound?

Back

$1.25 per pound.

Front

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

Back

$8 per pound.

Front

What is the importance of understanding unit rates?

Back

Understanding unit rates helps consumers make informed decisions about purchases and compare prices effectively.