PLZZZ HELPPPPPP ILL GIVE BRAINLIESTTTTT

N = visitors
1030 = 1300 - 18(P - 30)
1030 - 1300 = -18(P - 30)
-270 = -18(P - 30)
-270/-18 = (P - 30)
15 = P - 30
45 = P