Solve the Problem $y = 3.75 x + 6.50$ B) $y = 6.50 x + 3.75$

Solve the problem.
-A tool rental store charges a flat fee of $6.50 to rent a chain saw, and $3.75 for each day, including the first. Write an equation that expresses the cost y of renting this saw if it is rented for x days.

A) $y = 3.75 x + 6.50$
B) $y = 6.50 x + 3.75$
C) $y = 3.75 x - 6.50$
D) $y = 3.75 ( x + 6.50 )$