Math 7 - UNIT FLASHCARD - UNIT RATES and COMPARING

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 a quantity of one. For example, if a car travels 300 miles in 5 hours, the unit rate is 60 miles per hour.

Front

How do you calculate the unit price of an item?

Back

To calculate the unit price, divide the total price of the item by the number of units (e.g., ounces, pounds) it contains. For example, if a 16 oz container costs $4.00, the unit price is $4.00 ÷ 16 oz = $0.25 per oz.

Front

If Charles can type 675 words in 9 minutes, how many words can he type in 1 minute?

Back

75 words per minute.

Front

How do you find the better deal between two products based on unit price?

Back

Calculate the unit price for each product and compare them. The product with the lower unit price is the better deal.

Front

What is the unit price of Cheerios if it costs $3.68 for 17 oz?

Back

$0.216 per oz.

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What is the unit price of Apple Jacks if it costs $2.89 for 13 oz?

Back

$0.222 per oz.

Front

How many pieces of candy are there per ounce in a 15 oz bag containing 75 pieces?

Back

5 pieces per ounce.

Front

If a cell service plan costs $49.99 for 450 minutes, what is the cost per minute?

Back

$0.11 per minute.

Front

What is the unit price of Daisy sour cream if it costs $1.49 for 8 oz?

Back

$0.18625 per oz.

Front

What is the unit price of Kraft sour cream if it costs $2.55 for 16 oz?

Back

$0.159375 per oz.