I need help with these they need to be estimated

The equation respenting the left table is

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.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.