a baker made 40 loaves of wheat bread. in all, 160 loaves of bread were made. what percent of the loaves of bread made was wheat bread?

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.