Which of the following situations could be descried by the equation y=−25x+120 ?(1 point)
1 There are 120 gallons of water in a tank. It releases water at a rate of 25 gallons per minute There are 120 gallons of water in a tank. It releases water at a rate of 25 gallons per minute
2 A teacher has 120 students. Her third period has 25 students A teacher has 120 students. Her third period has 25 students
3 There are 120 people in the football stadium, and 25 more are entering each hour. There are 120 people in the football stadium, and 25 more are entering each hour.
4 A plumber charges $25 for a house call and $120 per hour. A plumber charges $25 for a house call and $120 per hour.