riable and use ay 3 > Lesson 8 "Modeling with and Solving Equations Practice 1 A paralegal is visiting the courthouse. The parking meter outside the courthouse charges $3 per hour. The expression : d represents the hourly rate per dollar the parking meter charges. As a driver parks her car, she notices that the previous driver who used the parking spot left 20 minutes on the parking meter which is valued at $1. The driver needs to park for a total of 5 hours. Write an equation that represents the situation in terms of d, where d is the dollar amount inserted into the meter and solve for d. What is the unknown? What is being asked? - - - - - - - - What information is being given? Write an equation and solve for d. Practice 2 Nicole is a firefighter and helps put out fires using a fire truck hose. The expression = n + 26 relates the nozzle pressure n (in pounds per square inch) of a fire truck hose and the horizontal distance the water reaches in feet. How much pressure is needed to reach a fire 200 feet away? What is the unknown? Write an equation and solve for n._ What information is being given? What is being asked? pounds per square inch - - -11