) If x represents the unknown part, which of the following shows a valid set of steps that can be used to find 15% of 30? 15 A. 30 B. 100 30 15 100 X 100x = 15.30 30x = 15 . 100 x = 4.5 x = 50 30 C. 15 100 D. 15 30 100 15x = 30 • 100 30x = 15 • 100 x=200 x = 50

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.