One fifth of a number is added to one third of the same number. If the sum is 96, find the number

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

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