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san4es73 [151]
11 months ago
8

A bag of cookies weighs 19.1 ounces. The bag contains 50 cookies. How much does each cookie weigh?

Mathematics
1 answer:
saveliy_v [14]11 months ago
4 0

Answer: 0.382 ounces

Step-by-step explanation:

To find the unit rate of the weight of a single cookie, we will use division.

        19.1 ounces per bag / 50 cookies in the bag = 0.382 ounces per cookie

To check our work, we will multiply 0.382 ounces per cookie by 50. Since the bag, with 50 cookies, weighs 19.1 ounces, 0.382 times 50 should equal about 19.1 ounces.

        0.382 ounces * 50 cookies = 19.1 ounces ✓

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Elza [17]

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If there are any parentheses, it is a good idea to use the distributive property to eliminate them. Here, there are none.

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It is generally a good idea to <em>check your work</em> by seeing if your solution value satisfies the equation:

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<em>Additional comment</em>

By subtracting 3x from 5x, the result is 2x with a positive coefficient. We could solve the equation just as easily by subtracting 5x from 3x. That result would be ...

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Subtracting 1 would give

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and you would multiply by -1/2 to get x=7. I personally like to avoid having this many minus signs show up in the problem. That is why I choose to subtract the x-term with the smallest coefficient.

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