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In your math class, you are learning about unit rates. A rate is a ration that compares two quantities with different units. Imagine that you are buying Doritos at your favorite store, what would you rather purchase a 14.5 OZ bag for $5.99 or a 9.25 OZ bag for $4.99?
1. Identify and explain the information you need to decide which one is the better buy.
2. Describe your thinking process to solve this problem and decide which one is the better buy.
3. Explain the importance of knowing unit rates and how you can use unit rates in your daily life.
(Very short paragraph response)
1. To decide which one is the better buy, we need to compare the prices of the bags based on their unit rates. In other words, we need to find out how much we are paying per ounce for each bag.
2. To solve this problem, we can divide the price of each bag by its respective weight. For the 14.5 OZ bag, the unit rate would be $5.99 / 14.5 OZ, and for the 9.25 OZ bag, the unit rate would be $4.99 / 9.25 OZ. We can then compare the unit rates to determine which one is the better buy.
3. Knowing unit rates is important because it helps us make informed decisions about purchases. By comparing unit rates, we can determine which option offers the better value for our money. In our daily life, we can use unit rates to compare prices at the grocery store, calculate fuel efficiency in terms of miles per gallon, or determine the cost per ounce of a product. Understanding unit rates allows us to make economical choices and get the most for our money.