Unit Rates and Cost Comparisons

The video tutorial covers the concepts of ratios and rates, explaining how they are used to compare quantities. It demonstrates how to calculate unit rates and find equivalent ratios. The tutorial also applies these concepts to real-world scenarios, such as determining the better buy between different products. By the end, viewers will understand how to use ratios and rates in practical situations.

What is an example of an equivalent ratio to 2:3?

• 3:2

• 5:7

• 1:2

• 4:6

How is a rate different from a ratio?

• A rate is always expressed as a fraction.

• A rate compares two quantities with different units.

• A rate is a type of ratio with a fixed denominator.

• A rate compares two quantities with the same units.

What is the unit rate if 24 papers are passed in 12 seconds?

• 1 paper per second

• 3 papers per second

• 2 papers per second

• 0.5 papers per second

If Adrienne bikes 24 miles in 3 hours, how many miles does she bike in one hour?

• 12 miles

• 6 miles

• 8 miles

• 10 miles

Which is the better buy: 30 pencils for $7.97 or 12 pencils for $4.77?

• Depends on the brand

• 12 pencils for $4.77

• Both are the same

• 30 pencils for $7.97

How do you determine the better buy between two products?

• Compare the total cost of each product

• Compare the cost per unit of each product

• Choose the product with the higher price

• Choose the product with the lower price

What is the cost per pencil if a pack of 30 costs $7.97?

• $0.27

• $0.40

• $0.30

• $0.35

Which brand of peanut butter offers the best value per ounce?

• Brand C: $4.69 for 28 oz

• Brand B: $2.79 for 18 oz

• Brand A: $2.19 for 12 oz

• Brand D: $6.60 for 40 oz

How do you calculate the cost per ounce of a product?

• Add the number of ounces to the total cost

• Subtract the number of ounces from the total cost

• Divide the total cost by the number of ounces

• Multiply the total cost by the number of ounces

Why is it important to compare unit rates when shopping?

• To find the most expensive option

• To ensure you buy the largest quantity

• To avoid buying unnecessary items

• To get the best value for your money