Unit Price Mrs. Kuznia Math 8 Day 7. What is Unit Price?  Unit price is the cost of one unit of measure of an item.  Unit price is often used in a grocery.

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Presentation transcript:

Unit Price Mrs. Kuznia Math 8 Day 7

What is Unit Price?  Unit price is the cost of one unit of measure of an item.  Unit price is often used in a grocery store to compare the price of two or more brands of the same item.

How do we determine Unit Prices?  To determine a unit price we will set up a proportion. One side of the proportion will always be:  X Dollars  1 Unit (whatever we are buying)

Example Find the Unit Price if an 8oz can of Campbell’s soup costs $1.19

Example  Find the Unit Cost when a 24 Oz Box of Lucky Charms costs $3.99

Example  Find the Unit Cost if an 8 pack of Capri Sun costs $2.99

TRY!!!  Find the Unit Cost if a 10 oz bottle of Baby Shampoo Costs $1.89

Comparing Unit Prices  Sometimes, we want to compare the unit prices of two different items.  When doing this we are looking for the  “Best Buy”  “Better Value”

To Compare  To compare unit prices we must: Find the unit price of each item separately Choose the item with the LOWER unit price

 What is the better value? A 12 oz can of Campbells Tomato Soup for $0.99, or a 10 oz can of Heinz Tomato Soup for $0.89

 Which is the better buy?  A 12 pack of pop-tarts for $2.99 or an 8 pack of pop-tarts for $2.19?

Try One!  Which is the better value. A 20 oz bottle of ketchup for $2.19 or a 32 oz. bottle of ketchup for $3.59?