A total of men went on a fishing trip. Each of the r boats that were

A total of ƒ men went on a fishing trip. Each of the r boats that were used to carry the fishermen could accommodate a maximum number of m passengers. If one boat had 5 open spots and the remaining boats were filled to capacity, which of the following expresses the relationship among ƒ, r, and m?
F. rm + 5 = ƒ
G. rm − 5 = ƒ
H. r + m + 5 = ƒ
J. rƒ  = m + 5
K. rƒ  = m − 5