Suppose a theater sells adult tickets for a Shakespearean play for $18.00 each, and children's tickets for $10.00 each. The rece
ipts for one evening total $960.00. If 64 tickets were sold, how many were adult tickets?
1 answer:
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Using the geometric mean concept, it is found that the value of a is 18.
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The geometric mean, of a data-set of n elements, , is given by:
That is, the nth root of the multiplication of all elements.
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In this question:
- Two elements(n = 2), a and 34.
Thus:
We find the square of each side, so:
Simplifying both sides by 17:
The value of a is 18.
A similar example is given at brainly.com/question/15010240