Which equation best represents the following word problem: Doubling the greatest of 3 consecutive numbers is the sams as subtracting the second from the first.

a
2n + 2 = n - n + 1
b
2(n + 2) = n + 1 - n
c
2(n + 2) = n - n + 1
d
2(n + 2) = n - (n + 1)

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?