Write each percent as a fraction in simplest form.
2 2/5%=

What is the volume of the sphere shown below with a radius of 3?

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

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.