Freddy heads to the Discount Jungle to pickup some fireworks. He is goingto buy 30 fireworks that cost $2.50 each. If fireworks are 30% off (before tax) and sales tax is 10%, how much will Freddy spend?

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.