3. Richard owns a plumbing company. He charged one client $72 for two hours of work and another client $162 for
five hours of work.
b. What information were you given?
a. Define your variables
c. Create an equation using the information you were given.
d. How much does Richard charge per hour? e. If Richard was working for you from 11:00am to
2:30pm, how much would he charge you?