500
Peter weighs 156 pounds, but he would like to wrestle in a lower weight class. He loses 4 pounds one week, gains back 2 pounds the next week, loses 5 pounds the third week, and loses 3 pounds the fourth week. Write an expression to represent this situation. Then find his current weight.
What is 156 - 4 + 2 - 5 - 3 = 146 pounds