Solve this equation show work -1 1/2+(-1 1/2)

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.

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c