Haley is starting a small business that provides catered lunches to businesses at their offices on a weekly basis. She already has 5 weekly clients and has reasonable expectations of finding 2 more weekly clients each month. Each client pays her $200 weekly for her services.

Write an equation that would represent the gross income Haley can expect on a weekly basis in a certain amount of months if m=months.

Note: Begin your equation with I= and write your answer in the form I=(a+bm)(c)