A shampoo bottle decreased its content from 19.6oz to 18.4oz. What percent decrease is this?

How do you use the elimination method for this question? explain, because i really want to understand!

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

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.