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Vesnalui [34]
2 years ago
7

Marco needs to buy some dog food. At the nearest store, 6 bags of dog food cost $31.50. How much would Marco spend on 5 bags of

dog food.
Mathematics
2 answers:
egoroff_w [7]2 years ago
4 0

Answer:

Marco would spend $26.25 on 5 bags of dog food.

Step-by-step explanation:

1. You have to find out how much each bag costs, so you need to divide. You divide the cost of dog food by the number of bags of dog food.

                                     31.50 ÷6= 5.25

So 1 bag of dog food costs $5.25.

2. To find out how much 5 bags of dog food costs, you multiply 5.25 by 5.

                                    5.25x5=26.25

5 bags of dog food costs $26.25.

Andrew [12]2 years ago
3 0

Answer:

your answer would be $13.50 because is 3 bags cost 6.75 and you need 6 bags then just multiply the 6.75 by 2 and you get your answer :)

Step-by-step explanation:

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Step-by-step explanation:

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Answer:

\bar X= 33.79167

s= 12.06497

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Step-by-step explanation:

For this case we have the following data:

23, 16, 21, 24, 34, 30, 28, 24, 26, 18, 23, 23, 36, 37, 49, 50, 51, 56, 46, 41, 54, 30, 40, and 31

We can calculate the sample mean with the following formula:

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And replacing we got:

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Then we can calculate the standard deviation with this formula:

s= \sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}}

And replacing we got:

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16 18 21 23 23 23 24 24 26 28 30 30 31 34 36 37 40  41 46 49 50 51 54 56

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The length of a rectangle plus its width is 25
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