erald is having drain issues at his home and decides to call a plumber. The plumber charges $45 to come to his house and $50 for every hour they work. If the plumber charges Jerald a total of $250, how many hours did the plumber work? Write and solve an equation to determine the number of hours worked by the plumber.
A. 45x + 50 = 250; x = 4.4 hours
B. 45x− 50 = 250; x = 6.7 hours
C. 50x + 45 = 250; x = 4.1 hours
D. 50x − 45 = 250; x = 5.9 hours