A concession stand at a baseball game sells hot dogs and boxes of popcorn. Justin buys a total of 9 snacks. The number of popcorn boxes he buys is three less than twice as many hot dogs. Which system of equations models this situation if he bought h hot dogs and p boxes
of popcorn?

A. p= 2h-3
h+p=9

B. h=2p - 3
h+p=9

C. p=3- 2h
h = 9 -p

D. h=3 - 2p
p=9- h