SOLUTION: How to solve 20r^2-15=13r

Question 473370: How to solve 20r^2-15=13r
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
At a large company, the majority of the employees earn from $20,000 to $30,000 per year. Middle management employees earn between $30,000 and $50,000 per year while top management earn between $50,000 and $100,000 per year. A histogram of all salaries would have which of the following shapes?
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Sketch the histogram.
You've got a pile of people between 10 and 30
Much fewer between 30 and 50
Very, Very few from 50 to 100
Notice how the distribution is tailing off to the right.
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Ans: skewed right
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Cheers,
Stan H
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A) Symmetrical
B) Uniform
C) Skewed to right
D) Skewed to left

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