At the carnival, alana gave away 26 ride tickets to her friends. she now has 57 tickets left. let x be the number of tickets that alana started with. write an equation describing this situation that could be used to find the value of x.

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.