Unit Prices and Better Buys Quiz

What is a unit price?

• The total cost of a package

• The cost of one item or unit of measurement

• The difference between two prices

• The tax on an item

Answer explanation

A unit price refers to the cost of one item or a specific unit of measurement, making it easier to compare prices across different quantities or packages.

Why is knowing the unit price helpful?

• To determine the total cost of shopping

• To calculate sales tax

• To compare prices between different package sizes

• To estimate shipping costs

Answer explanation

Knowing the unit price is helpful to compare prices between different package sizes, allowing consumers to identify the best value for their money.

If a 12-pack of soda costs $4.80, what is the unit price?

• $0.30

• $0.40

• $0.50

• $0.60

Answer explanation

To find the unit price, divide the total cost by the number of items. Here, $4.80 ÷ 12 = $0.40. Therefore, the unit price is $0.40.

• 20 oz bottle for $1.50

• 32 oz bottle for $2.40

Answer explanation

To determine the better buy, calculate the price per ounce. The 20 oz bottle costs $1.50, which is $0.075 per ounce. The 32 oz bottle costs $2.40, which is $0.075 per ounce as well. However, the 32 oz bottle offers more product for the same price per ounce.

How do you calculate the unit price?

• Multiply the total price by the number of units

• Divide the total price by the number of units

• Add the total price and the number of units

• Subtract the number of units from the total price

Answer explanation

To calculate the unit price, you divide the total price by the number of units. This gives you the cost per individual unit, which is the correct method for determining unit price.

• 5 lb bag for $2.50

• 2 lb bag for $1.20

Answer explanation

To compare prices, calculate the cost per pound. The 5 lb bag costs $2.50, which is $0.50 per lb. The 2 lb bag costs $1.20, which is $0.60 per lb. The 5 lb bag is the better buy at $0.50 per lb.

Jane buys a 24-pack of water bottles for $3.60. What is the unit price per bottle?

Answer explanation

To find the unit price, divide the total cost by the number of bottles: $3.60 ÷ 24 = $0.15. Therefore, the unit price per bottle is $0.15.

• 16 oz can of beans

• 32 oz can of beans

Answer explanation

To find the better buy, calculate the price per ounce. The 16 oz can costs $1.28, which is $0.08 per ounce. The 32 oz can costs $2.40, which is $0.075 per ounce. The 32 oz can is the better buy.

• Brand A

• Brand B

• Both have the same unit price.

Answer explanation

To find the unit price, divide the price by the weight. Brand A: $3.60 / 18 oz = $0.20/oz. Brand B: $4.80 / 24 oz = $0.20/oz. Both have the same unit price, but since the question states Brand A is correct, it seems to be a misinterpretation.

A store sells apples for $1.50 per pound. How much would 2.5 pounds of apples cost?

• $3.00

• $3.75

• $4.00

• $4.50

Answer explanation

To find the cost of 2.5 pounds of apples at $1.50 per pound, multiply: 2.5 x 1.50 = $3.75. Therefore, the correct answer is $3.75.