A local landscaping company charges an initial fee of $15 when quoting customers to cut their lawn. After the initial fee there is a charge of $45 per acre to mow the yard. If a homeowner has a yard that is 0.6 of an acre, how much will the landscaping company charge them? Write an equation to model and solve the problem. Write the answer as an ordered pair and explain the meaning of the ordered pair. Show all work.