Answer:
Answer choice A, I believe
Step-by-step explanation:
Start with

Add 2x to both sides:

Subtract 21 from both sides:

Divide both sides by 5. Since it is positive, we don't have to change the inequality sign:

So, the answer is 
The line plot that correctly represents the given data set is: line plot C.
<h3>What is a Line Plot?</h3>
On a line plot, the frequency of a data points is represented using "x" as many times as the data points appear in the data set.
The data point with the highest frequency is 11¼ which is also 11⅛. And they appear 4 times in the given data set.
So, the line plot that correctly shows the data is: line plot C.
Learn more about the line plot on:
brainly.com/question/27246403
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Answer:
Cost of the coat = $54
Step-by-step explanation:
Given:
She saved = $ 9
To Find:
Cost of the coat = ?
Solution:
Let the price of coat be x
She saved $9
and according to given condition it is 1/6 of the total money she needs for buying coat
by this we have

Multiplying both sides by 6

it becomes
x = 9*6
x = $54
As x is the amount she needs
so
Cost of the coat = $54