Which of the following is best used to measure the distance between two large cities Miles
Yards
Feet
Inches

Can someone me and do the problem plz so i can understand it more better

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.

Asap! i'm not good math and i'm lost.