Better Buy

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 value of one. For example, if you buy 5 pounds of concrete for $40, the unit rate is $8 per pound.

Front

How do you calculate the unit price of an item?

Back

To calculate the unit price, divide the total price by the total quantity. For example, if Cheerios cost $3.68 for 17 oz, the unit price is $3.68 ÷ 17 = $0.216 per oz.

Front

What is the better deal when comparing two items?

Back

The better deal is the item that has the lower unit price or higher value for the same amount of money.

Front

If a car gets 300 miles on 20 gallons of gas, what is the miles per gallon (MPG)?

Back

To find the MPG, divide the miles by the gallons: 300 miles ÷ 20 gallons = 15 MPG.

Front

If a car gets 495 miles on 15 gallons of gas, what is the miles per gallon (MPG)?

Back

To find the MPG, divide the miles by the gallons: 495 miles ÷ 15 gallons = 33 MPG.

Front

Which is a better deal: 8 hours of babysitting for $72 or 6 hours for $57?

Back

To find the better deal, calculate the hourly rate: 8 hours = $72 ÷ 8 = $9 per hour; 6 hours = $57 ÷ 6 = $9.50 per hour. The better deal is 8 hours.

Front

What is the total cost of 6 pounds of bananas if the unit price is $1.44 per pound?

Back

Total cost = unit price × quantity = $1.44 × 6 = $8.64.

Front

How do you compare two different products based on their prices and quantities?

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 formula to find the unit price?

Back

Unit Price = Total Price ÷ Total Quantity.

Front

If you buy 3 pounds of apples for $4.50, what is the unit price?

Back

Unit Price = $4.50 ÷ 3 = $1.50 per pound.