Latoya bought 4 CDs that were each the same price. Including sales tax, she paid a total of $49.60. Each CD had a tax of $0.09. What was the price of each CD before tax?

What is the missing step in this proof ?

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.

What is the equation of a line passing through (-6,5) and having a slope of 1/3