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Michelle can buy an 8-pound bag of cat food for $7.40 or a 4-pound bag of the same cat food for $5.38. Which is the better buy?

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Answer:

The better buy is 8-pound bag for $7.40.

Step-by-step explanation:

First option is 8-pound bag for $7.40.

Second option is 4-pound bag for $5.38.

Assuming she's buying 8-pound bag of cat food.

The first option remains $7.40.

While the second option will be $5.38 x 2 = $10.76 which is $3.36 costlier than the first option.

Division is one of the four fundamental arithmetic operations. The better buy is 8-pound bag.

What is Division?

Division is one of the four fundamental arithmetic operations, which tells us how the numbers are combined to form a new one.

Michelle can buy an 8-pound bag of cat food for $7.40 or a 4-pound bag of the same cat food for $5.38. The unit rate of cat food for each bag can be written as,

The unit rate for 8 pound bag = $7.40/8 pound = $0.925 per pound

The unit rate for 4 pound bag = $5.38/4 pound = $1.345 per pound

Now, the better buy will be the one in which the unit rate be less. Since $0.925 per pound< $1.345 per pound.

Therefore, the better buy is 8-pound bag.

Learn more about Division here:

https://brainly.com/question/369266

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