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valentina_108 [34]
3 years ago
9

If 7 sandwich rolls cost $1.26, how much will 25 rolls cost?

Mathematics
1 answer:
zavuch27 [327]3 years ago
4 0
$4.5 since 1.26/7 is .14 and need 25 so it’s 4.5
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denis23 [38]

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Melanie made contributions to a ROTH IRA over the course of working 34 years. Her contributions averaged $3,750 annually.
aleksklad [387]
We assume that we are asked of the monthly contribution made by Melanie to a ROTH IRA. The give data are below:
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Step-by-step explanation:

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Answer:

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p=\frac{8}{10} *100 = 80

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Step-by-step explanation:

We can define a percentile as "a value on a scale of 100 that indicates the percent of a distribution that is equal to or below it"

For this case we have the following data given:

6 , 9, 10, 20, 22, 25, 27, 40 , 48, 59

And we want to calculate the percentile for the value of 40 grams

Since the dataset is on increasing way there is no problem to calculate this percentile.

We see that we have a total of n =10 observations, and we can rank the position of each observation (i) like this:

x=6, 9, 10, 20, 22, 25, 27, 40 , 48, 59

i= 1,  2 , 3,  4,    5,   6,    7,   8,    9,    10

And as we can see here the position for x=40 is 8, so then we can calculate the percentile for 40 grams like this:

p=\frac{8}{10} *100 = 80

So the  the vale of 40 gr correspond to the 80th percentile of the data since accumulates 80% of the values below.

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Answer:

Step-by-step explanation:

this

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