2. Valleywood Golf Course offers classes Monday through Saturday. The Saturday classes last 75-minutes while the weekday classes last \( 45 - \) minutes. If they offered 705-minutes of classes last week, what was the maximum number of weekday classes?
Joe earns \( \$ 9 \) per hour. He worked \( x \) hours on both Wednesday and Friday, and \( 8 \) hours on both Tuesday and Saturday. Write an expression to represent how much Joe earned.