Create a list of 8 values with a mean of 26. Justify your response.

1 answer:

8 0

Essentially, if want to list some values with a given mean, you can assume that they all have this value, so a correct answer will be:

26,26,26,26,26,26,26,26,

You can also vary the values, as long as their sum remains the same (the sum and the number of values decide the mean).

For example, you can add one and remove one:
27,25,26,26,26,26,26,26,

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Mae-Ying wanted to buy packages of crackers and cheese. Each pack is 35 cents. She has 5 quarters, 3 dimes, and 2 nickels. How m

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Answer:

Step-by-step explanation:

She can use a dime and a quarter to buy one package. With 3 dimes and more than 3 quarters, she can buy 3 packages this way.

She can use 2 nickels and a quarter to buy one package. With 2 nickels and the 2 remaining quarters, she can buy 1 package this way.

Mae-Ying can buy 4 packages, and will have 1 quarter left over.

_____

You can add up her money and divide by 35¢ to find the number of packages. Doing that, you get ...

5·0.25 +3·0.10 +2·0.05 = 1.25 +0.30 +0.10 = 1.65

Then 1.65/0.35 ≈ 4.71, so Mae-Ying can buy 4 packages with the money she has.