Problems 2 and 3 refer to the following information.
The Mid-Valley Adult School holds evening classes Monday through Friday. The school advertises that there are no more than 18 students in a class. On Tuesday nights, the busiest time, the school uses 15 classrooms. On Friday nights, the least busy time, the school uses only 6 classrooms.
Problems 5 and 6 refer to the following information.
Three partners started a landscaping business. At the end of their fourth year they had a profit of $42,580. The partners decided to pay each of their six full-time employees a bonus of $1,200 and to pay themselves an extra $7,500 each.