Podcast
Questions and Answers
What is the correct method to determine which banana purchase is the better buy?
What is the correct method to determine which banana purchase is the better buy?
If you divide $4.50 by 5, what unit price do you calculate for the bananas sold in bags?
If you divide $4.50 by 5, what unit price do you calculate for the bananas sold in bags?
What is the cost of 5 pounds of bananas if purchased at $0.80 per pound?
What is the cost of 5 pounds of bananas if purchased at $0.80 per pound?
What comparison reveals the more affordable option for purchasing bananas?
What comparison reveals the more affordable option for purchasing bananas?
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Which of the following statements is incorrect for finding the better banana deal?
Which of the following statements is incorrect for finding the better banana deal?
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Study Notes
Comparing Banana Prices
- Price at First Market: Bananas are priced at $0.80 per pound.
- Price at Second Market: Bananas are packaged in 5-pound bags at $4.50 each.
Unit Rate Calculation
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Method to Determine Better Buy:
- Divide the total price of the 5-pound bag ($4.50) by the number of pounds (5) to find the unit rate.
- The calculated unit rate from the bag is compared against the $0.80 per pound price to determine which option is cheaper.
Incorrect Methods
- Dividing $0.80 by 5 does not yield the correct unit rate for the bag pricing.
- Multiplying $4.50 by 5 incorrectly assesses the cost for 5 pounds.
- Multiplying $4.50 by $0.80 also incorrectly evaluates the price comparison.
Conclusion
- The accurate approach is to divide the bag's price by the weight and compare it to the price per pound. This method clearly identifies the better buy.
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Description
This quiz explores the concept of unit rates through the comparison of banana prices from two different markets. It highlights the correct method for calculating and comparing prices per pound versus packaged weight. Additionally, it discusses common errors made in the calculation process and reinforces the importance of using accurate methods in price comparisons.
