Mr. Grizzard spent $640 to stay in a hotel for four nights. Each night he spent x dollars on the hotel room as well as a $15 parking fee per day. The equation below represents the total amount, in dollars, that Mr. Grizzard spent on his hotel. 4(x + 15) = 640

How much money did the hotel room cost for one night, excluding the parking fee?

A.
$145.00

B.
$156.25

C.
$163.75

D.
$175.00