Need help with this problem ^^

If jaime wants to find 60% of 320, which table should he use?

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 area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²