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2 answers:
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Answer:
The number of adults admitted were 28.
Step-by-step explanation:
Given:
An amusement park charges $33 for student admission an $57 for adult admission. By 10:00am the park had made a total of $2,982 on park admissions.
Total sales made up of student tickets $1,386.
Now, to find the adults admitted into the park.
Total sales made up of student tickets = $1,386.
<em>Total sales made up of = $2,982.</em>
Now, to get the sales made of adult tickets by subtracting total sales made up of student tickets from total sales made up of:
<u>Thus, the sales made of adult tickets is made up of $1,596.</u>
<u>Charges for an adult admission = $57.</u>
Let the number of adult tickets be
Now, to get the number of adults ticket by putting an equation:
<em>Dividing both sides by 57 we get:</em>
Therefore, the number of adults admitted were 28.
<h2>Answer:</h2>
Variance
<h2>Step-by-step explanation:</h2>The standard deviation is related to the variance. The standard deviation measures the variation or dispersion of a set of data and is represented by the Greek letter sigma , while the variance measures how far a set of numbers are spread out from their average value. The variance is obtained by squaring the standard deviation, so the variance can be found as