Unit rates and conversions ch. 2 Review

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as one unit. For example, if you have 30 students at 5 tables, the unit rate is 6 students per table.

Front

How do you find the better deal between two stores?

Back

To find the better deal, calculate the unit price for each option and compare them. The option with the lower unit price is the better deal.

Front

If Store A sells 15 songs for $12, what is the unit price per song?

Back

The unit price per song is $0.80 (calculated as $12 ÷ 15 songs).

Front

If Store B sells 10 songs for $9, what is the unit price per song?

Back

The unit price per song is $0.90 (calculated as $9 ÷ 10 songs).

Front

Which store has the better deal: Store A or Store B?

Back

Store A has the better deal because it has a lower unit price per song.

Front

What is the unit rate for 30 students at 5 tables?

Back

The unit rate is 6 students per table.

Front

If a sweater costs $24, what is the cost for 2 sweaters?

Back

The cost for 2 sweaters is $48, which is equivalent to $24 per sweater.

Front

How do you calculate the unit rate for a purchase?

Back

To calculate the unit rate, divide the total cost by the number of items purchased.

Front

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

Back

The unit rate is $8 per pound (calculated as $40 ÷ 5 pounds).

Front

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

Back

The 12 pack of Coke is the better buy.